Cited by 198Language, Metaphor, and CognitionCategorization, perception, and languageVisual perception and processing mechanisms

A common cortical metric for spatial, temporal, and social distance

Open access
Parkinson, Carolyn, Liu, Shari, Wheatley, Thalia·2014·The Journal of Neuroscience

Abstract

Distance describes more than physical space: we speak of close friends and distant relatives, and of the near future and distant past. Did these ubiquitous spatial metaphors arise in language coincidentally or did they arise because they are rooted in a common neural computation? To address this question, we used statistical pattern recognition techniques to analyze human fMRI data. First, a machine learning algorithm was trained to discriminate patterns of fMRI responses based on relative egocentric distance within trials from one distance domain (e.g., photographs of objects relatively close to or far away from the viewer in spatial distance trials). Next, we tested whether the decision boundary generated from this training could distinguish brain responses according to relative egocentric distance within each of two separate distance domains (e.g., phrases referring to the immediate or more remote future within temporal distance trials; photographs of participants' friends or acquaintances within social distance trials). This procedure was repeated using all possible combinations of distance domains for training and testing the classifier. In all cases, above-chance decoding across distance domains was possible in the right inferior parietal lobule (IPL). Furthermore, the representational similarity structure within this brain area reflected participants' own judgments of spatial distance, temporal soon-ness, and social familiarity. Thus, the right IPL may contain a parsimonious encoding of proximity to self in spatial, temporal, and social frames of reference.

AI snapshot

Written from the paper’s full text.

TL;DR

Using fMRI and multivoxel pattern analysis, the paper reports that relative egocentric distance can be decoded across spatial, temporal, and social domains in right inferior parietal lobule (IPL), with representational similarity in this region tracking participants’ subjective distance ratings. The authors conclude that right IPL may contain a common cortical metric for proximity to self across these domains.

Key findings

  • Cross-domain distance decoding was above chance for all pairwise combinations of spatial, temporal, and social domains in right IPL; the largest cluster was 273 voxels in right IPL (AG/STG, BA 39/22), with average peak accuracy 62.33%, and a medial occipital cluster (200 voxels, BA 18) had average peak accuracy 66.12% (Table 1).
  • RSA showed that local neural similarity structure was significantly related to behavioral distance ratings in right IPL (113 voxels, BA 39/40), left SMA (BA 6), and right IFG (BA 47) (Table 2).
  • Postscan ratings were high for closer (6.21 ± 0.70), sooner (6.29 ± 0.82), and more familiar (6.52 ± 0.62) trials on a 1–7 scale, with no significant difference across domains (F(2,22) = 1.94, p = 0.17); probe response accuracy during scanning was 97.97 ± 1.34%.
  • Univariate analyses found no voxels surviving FDR-corrected p < 0.05 for sooner vs later, closer vs farther, or more familiar vs less familiar trials; even at p < 0.01 uncorrected, no regions emerged in the conjunction analysis, suggesting distributed patterns rather than average magnitude carried the cross-domain distance information.

Methods

  • Fifteen participants (10 females; aged 20–28 years; mean age 24.6 years) were scanned at 3 T during a slow event-related fMRI paradigm with spatial object photographs, temporal phrases, and social names/photographs; there were 96 unique trials, 8 runs, 36 trials per run, and six trial types. Twelve participants completed the postscan distance-rating questionnaire.
  • MVPA used searchlights (radius 3 voxels) with a linear SVM trained to discriminate relative distance within one domain and tested on another, repeated for all pairwise domain combinations; accuracy maps were arcsine transformed, tested against chance across participants, and submitted to a conjunction analysis at p < 0.05 FDR corrected.
  • RSA compared neural representational dissimilarity matrices (Pearson correlation distances between local multivoxel patterns) with behavioral RDMs (Euclidean distances between postscan ratings) using Spearman’s rank coefficient and permutation testing with 1000 shuffles; conventional univariate GLM paired t tests were also run.

Limitations

  • The paper states that its evolutionary “recycling” interpretation provides “preliminary support” and calls for future studies; it does not present a formal limitations section.
  • Evident from the text: the sample was modest (n = 15, with only 12 completing postscan ratings), cross-domain decoding accuracies were modest (roughly 60–66% versus 50% chance), and the univariate analyses found no significant effects, so the main conclusions rest on MVPA and RSA.
  • Evident from the text: temporal distance stimuli could in principle be compared by duration without self-reference, although the authors argue this would often produce incorrect cross-domain classifications.

Model-written summary. Check it against the paper before relying on it.

Integrity signals

Registry

Crossref · 10.1523/jneurosci.2159-13.2014

Cites

61 of 61 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Claims the paper makes

0 of 44 cited sources checked · 0 supported · 0 flagged

  • Findingown data

    In all cases, above-chance decoding across distance domains was possible in the right inferior parietal lobule (IPL).

    “In all cases, above-chance decoding across distance domains was possible in the right inferior parietal lobule (IPL).”
    Quote in the paperSubstantial claim
    • Rests on an assumption: The spatial, temporal, and social distance stimuli validly operationalize egocentric distance in their respective domains.
  • Findingown data

    The representational similarity structure within the right IPL reflected participants' own judgments of spatial distance, temporal soon-ness, and social familiarity.

    “Furthermore, the representational similarity structure within this brain area reflected participants' own judgments of spatial distance, temporal soon-ness, and social familiarity.”
    Quote in the paperSubstantial claim
    • Rests on an assumption: The spatial, temporal, and social distance stimuli validly operationalize egocentric distance in their respective domains.
    • Rests on an assumption: Participants' postscan ratings of psychological distance accurately reflect their subjective psychological distance.
  • Findingown data

    Participants perceived stimuli pairs from trials in all domains to differ substantially in terms of relative egocentric psychological distance.

    “Results of postscan written questionnaires confirmed that participants perceived stimuli pairs from trials in all domains to differ substantially in terms of relative egocentric psychological distance.”
    Quote in the paperSubstantial claim
    • Rests on an assumption: Postscan written questionnaire ratings reflect participants' perceived egocentric psychological distance during scanning.
  • Findingown data

    Relative egocentric distance could be decoded across all possible pairwise combinations of distance domains in clusters (cluster size >10 voxels) presented in Table 1.

    “Clusters (cluster size Ͼ10 voxels) in which relative egocentric distance could be decoded across all possible pairwise combinations of distance domains are presented in Table 1.”
    Quote in the paperSubstantial claim
  • Findingown data

    Representational content within a large cluster in the right IPL was significantly related to behavioral distance ratings.

    “Representational content within a large cluster in the right IPL was significantly related to behavioral distance ratings, suggesting that population codes within searchlights centered in this area contain representations that reflect subjective perceptions of egocentric distance.”
    • Also stated in: § Discussion · plain
      “Additionally, the similarity structure of population codes in this region reflected subjective proximity ratings.”
    Quote in the paperSubstantial claim
  • May combine two claims. 13
  • Classified as probably not a substantial claim. 24
  • May combine two claims.

    Findingown data

    The largest significant cluster was located in right IPL, encompassing both the AG and SMG, and extending into the posterior temporal lobe, followed by a cluster in medial occipital cortex.

    “The largest significant cluster was located in right IPL, encompassing both the AG and SMG, and extending into the posterior temporal lobe, followed by a cluster in medial occipital cortex.”
    Quote in the paperSubstantial claim
    • Rests on an assumption: The spatial, temporal, and social distance stimuli validly operationalize egocentric distance in their respective domains.
  • May combine two claims.

    Findingown data

    Mean ratings of perceived egocentric distance differences were 6.21 ± 0.70, 6.29 ± 0.82, and 6.52 ± 0.62 for closer, sooner, and more familiar trials, respectively.

    “Mean Ϯ SD ratings of perceived egocentric distance differences on a scale from 1 (equally soon/close/familiar) to 7 (one image/phrase is a great deal sooner/closer/more familiar) were 6.21 Ϯ 0.70, 6.29 Ϯ 0.82, and 6.52 Ϯ 0.62 for closer, sooner, and more familiar trials, respectively.”
    Quote in the paperSubstantial claim
    • Rests on an assumption: Postscan written questionnaire ratings reflect participants' perceived egocentric psychological distance during scanning.
  • May combine two claims.

    Findingown data

    Cross-domain distance decoding was also possible in smaller clusters throughout the right IPL, spanning both the supramarginal (SMG) and angular (AG) gyri, as well as in one cluster in medial occipital cortex.

    “Cross-domain distance decoding was also possible in smaller clusters throughout the right IPL, spanning both the supramarginal (SMG) and angular (AG) gyri, as well as in one cluster in medial occipital cortex, as summarized in Table 1.”
    • Also stated in: § Discussion · plain
      “Cross-domain distance decoding was also possible in medial occipital cortex.”
    Quote in the paperSubstantial claim
  • Classified as probably not a substantial claim.

    Premisecitation

    Mechanisms devoted to spatial processing may have been redeployed over evolution to plot information in increasingly abstract temporal and social frames of reference.

    “Neuroscientists have suggested that, over the course of evolution, mechanisms devoted to spatial processing may have been redeployed to “plot” information in increasingly abstract (e.g., temporal, social) frames of reference (Yamazaki et al., 2009;Parkinson and Wheatley, 2013).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Yamazaki et al., 2009

      Not checked in the free run.

    • cites Parkinson and Wheatley, 2013

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  • May combine two claims.

    Premisecitation

    Words characterizing shorter social and temporal distances are automatically associated with closer spatial locations, whereas words referring to increased social and temporal distances are associated with farther locations.

    “Words characterizing shorter social and temporal distances are automatically associated with closer spatial locations, whereas words referring to increased social and temporal distances are associated with farther locations (Bar-Anan et al., 2007).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Bar-Anan et al., 2007

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  • Classified as probably not a substantial claim.

    Premisecitation

    Previous fMRI studies suggest that judging and traversing spatial, social, and temporal distances recruit overlapping brain regions.

    “Previous fMRI studies suggest that judging and traversing spatial, social, and temporal distances recruit overlapping brain regions (Buckner and Carroll, 2007;Spreng et al., 2009;Yamakawa et al., 2009;Yamazaki et al., 2009;Tamir and Mitchell, 2011).”
    Quote in the paperSubstantial claim0 of 3 sources checked
    • cites Buckner and Carroll, 2007

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    • cites Spreng et al., 2009

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    • cites Yamakawa et al., 2009

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  • Classified as probably not a substantial claim.

    Premisecitation

    Past studies have used univariate analyses that spatially smooth and average data to identify areas involved in tasks.

    “However, past studies have used univariate analyses that spatially smooth and average data to identify areas involved in tasks (Friston et al., 1995).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Friston et al., 1995

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  • Classified as probably not a substantial claim.

    Premisecitation

    Conceptual metaphor theory suggests that we use spatial language to describe social and temporal relationships because we mentally represent this information in spatial terms.

    “Conceptual metaphor theory (CMT; Lakoff and Johnson, 1980) suggests that we use spatial language to describe social and temporal relationships (e.g., “close friend,” “distant future”) because we mentally represent this information in spatial terms.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Lakoff and Johnson, 1980

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S1 (asserted), S4 (based).

    Premisereasoning

    If different domains of egocentric distance are conflated at some level of processing, relatively near or far distances should be represented similarly at that level of processing, regardless of domain.

    “If different domains of egocentric distance are conflated at some level of processing, relatively near or far distances should be represented similarly at that level of processing, regardless of domain.”
    Quote in the paperNot a substantial claim
  • Classified as probably not a substantial claim.

    Premisecitation

    RSA permits the direct, quantitative comparison of data acquired using diverse methods in terms of the information that each dataset contains about a set of experimental conditions.

    “In general, RSA permits the direct, quantitative comparison of data acquired using diverse methods (e.g., fMRI, behavioral questionnaires) in terms of the information that each dataset contains about a set of experimental conditions.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Kriegeskorte et al., 2008

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  • Classified as probably not a substantial claim.

    Study design and conductcitation

    Percent accuracy maps were arcsine transformed before being tested against chance across participants, because this procedure approximates a normal and homoscedastic distribution given binary data summarized as proportions.

    “Percent accuracy maps resulting from crossdomain distance decoding analyses were aligned to standard space (Talairach and Tournoux, 1988) and arcsine transformed ( y ϭ arcsine͌x, where x is proportion of classifications that were correct, and y is the result of the transformation) before being tested against chance across participants, because this procedure approximates a normal and homoscedastic”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Freeman and Tukey, 1950

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    • cites Zar, 1996

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  • Classified as probably not a substantial claim.

    Study design and conductown data

    At each searchlight center, the statistical significance of the relationship between the behavioral and local neural RDMs was evaluated using permutation testing.

    “At each searchlight center, the statistical significance of the relationship between the behavioral and local neural RDMs was evaluated using permutation testing.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Premisecitation

    The RTPJ encodes egocentric space and is thought to support self-other distinctions.

    “The RTPJ encodes egocentric space (Schindler and Bartels, 2013) and is thought to support self-other distinctions (Decety and Somerville, 2003).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Schindler and Bartels, 2013

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    • cites Decety and Somerville, 2003

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  • May combine two claims.

    Study design and conductcitation

    Spatial distance stimuli were tested previously to ensure that viewers perceive them to be at the intended egocentric distances and have been demonstrated previously to automatically elicit egocentric distance processing.

    “These stimuli were tested previously to ensure that viewers perceive them to be at the intended egocentric distances and have been demonstrated previously to automatically elicit egocentric distance processing (Berryhill and Olson, 2009).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Berryhill and Olson, 2009

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductown data

    Letter counts did not significantly differ between immediate and remote future phrases.

    “Letter counts also did not significantly differ between immediate (median, 13.50) and remote (median, 12.50) future phrases (W ϭ 6, p ϭ 0.65, r ϭ 0.16).”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationcitation

    Evidence from social psychology and neuroimaging demonstrates analogous effects of different distance domains on cognition and behavior, consistent with suggestions that this information implies a common psychological meaning.

    “Thus, evidence from social psychology and neuroimaging demonstrates analogous effects of different distance domains on cognition and behavior, consistent with suggestions that this information implies a common psychological meaning (Liberman and Trope, 2008).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Liberman and Trope, 2008

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  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    Tamir and Mitchell (2011) found fMRI evidence consistent with behavioral findings that different distance domains influence thoughts and actions analogously.

    “Recently, Tamir and Mitchell (2011) found fMRI evidence consistent with behavioral findings that different distance domains influence our thoughts and actions analogously.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Tamir and Mitchell (2011)

      Not checked in the free run.

  • Classified as probably not a substantial claim.

    Study design and conductown data

    A conjunction analysis of the six t statistic maps was performed using a threshold of p < 0.05, FDR corrected, for each map to identify regions in which psychological distance could be decoded across all distance domains.

    “A conjunction analysis of these six t statistic maps was performed using a threshold of p Ͻ 0.05, false discovery rate (FDR; Benjamini and Hochberg, 1995) corrected, for each map to identify regions in which psychological distance could be decoded across all distance domains.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Benjamini and Hochberg, 1995 source

      Not checked in the free run.

  • May combine two claims.

    Interpretationreasoning

    Because the conjunction analysis requires above-chance distance decoding across all pairs of distance domains, this approach should identify areas that contain a domain-general encoding of egocentric distance.

    “Because the conjunction analysis requires above-chance distance decoding across all pairs of distance domains, this approach should identify areas that contain a domain-general encoding of egocentric distance.”
    Quote in the paperNot a substantial claim
  • Classified as probably not a substantial claim.

    Study design and conductnone given

    Red indicates the conjunction of significant results (p < 0.05, FDR corrected, each test) across all six tests.

    “Red indicates the conjunction of significant results ( p Ͻ 0.05, FDR corrected, each test) across all six tests.”
    Quote in the paperSubstantial claim
  • Classified as probably not a substantial claim.

    Study design and conductreasoning

    For each classification searchlight, predictions were only considered correct if trials characterized by decreasing psychological distance in the test domain were classified as if they were trials characterized by decreasing psychological distance in the training domain.

    “It should be emphasized that, for each classification searchlight, predictions were only considered correct if trials characterized by decreasing psychological distance in the test domain (e.g., more familiar trials) were classified as if they were trials characterized by decreasing psychological distance in the training domain (e.g., sooner trials).”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Premisecitation

    Both a shared encoding mechanism and nearby but distinct codes would yield overlapping results.

    “Both a shared encoding mechanism and nearby but distinct codes would yield overlapping results (Peelen and Downing, 2007).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Peelen and Downing, 2007

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  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductown data

    Ratings did not differ between the two versions of the postscan questionnaire.

    “Ratings did not differ between the two versions of the questionnaire.”
    Quote in the paperNot a substantial claim
  • Classified as probably not a substantial claim.

    Study design and conductreasoning

    Rather than assuming that all distance domains were perceived equivalently, this data analytic approach preserves differences in behavioral ratings between domains.

    “Additionally, rather than assuming that all distance domains were perceived equivalently, this data analytic approach preserves differences in behavioral ratings between domains.”
    Quote in the paperSubstantial claim
  • Classified as probably not a substantial claim.

    Study design and conductcitation

    Spearman's rank coefficient was used because it does not assume a linear match between neural and behavioral RDMs.

    “Custom code was written in Python and PyMVPA to compare the off-diagonal elements of the lower triangular halves of the neural and behavioral RDMs at each voxel for each participant (Fig. 3C) using the Spearman's rank coefficient, which was used because it does not assume a linear match between neural and behavioral RDMs (Kriegeskorte et al., 2008).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Kriegeskorte et al., 2008

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  • Classified as probably not a substantial claim.

    Premisecitation

    According to construal level theory (CLT), distance in any domain signifies a common meaning: distance from current first-hand experience.

    “According to construal level theory (CLT; Trope and Liberman, 2010), distance in any domain signifies a common meaning: distance from current first-hand experience.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Trope and Liberman, 2010

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  • Classified as probably not a substantial claim.

    Premisecitation

    Walsh (2003) suggested that, on the scale of action execution, space, time, and quantity are encoded by a common metric that was repurposed for other magnitudes.

    “Walsh (2003) suggested that, on the scale of action execution, space, time, and quantity are encoded by a common metric that was repurposed for other magnitudes.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Walsh (2003)

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  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductown data

    The number of plural nouns was exactly matched between immediate and remote future phrases.

    “Additionally, the number of plural nouns was exactly matched between the two trial types (i.e., exactly two of the immediate future phrases and two of the remote future phrases contained one plural noun).”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S4 (based).

    Study design and conductnone given

    The conjunction analysis requires above-chance distance decoding across all pairs of distance domains.

    “Importantly, the conjunction analysis requires above-chance distance decoding across all pairs of distance domains.”
    Quote in the paperNot a substantial claim
  • Classified as probably not a substantial claim.

    Study design and conductnone given

    Familiar and unfamiliar others were matched for gender, race, age, and facial expression.

    “Familiar and unfamiliar others were matched for gender, race, age, and facial expression (which was either neutral or slightly positive).”
    Quote in the paperSubstantial claim
  • Classified as probably not a substantial claim. May combine two claims.

    Premisecitation

    Information relevant to present experience elicits detailed, concrete representations, whereas humans tend to think about information removed from current experience using decontextualized, abstract representations.

    “Whereas information relevant to our present experience elicits detailed, concrete representations, humans tend to think about information removed from our current experience using decontextualized, abstract representations (Liberman and Trope, 2008).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Liberman and Trope, 2008

      Not checked in the free run.

  • Classified as probably not a substantial claim. May combine two claims.

    Premisecitation

    CLT suggests that psychologically proximal information promotes attention to concrete, contextual details, whereas distal information evokes decontextualized, abstract representations.

    “CLT suggests that psychologically proximal information promotes attention to concrete, contextual details, whereas distal information evokes decontextualized, abstract representations (Liberman and Trope, 2008).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Liberman and Trope, 2008

      Not checked in the free run.

  • May combine two claims.

    Interpretationreasoning

    Close objects are likely to be personally relevant and elicit immediate action and, thus, may evoke similar SMA activation patterns.

    “Close objects are likely to be personally relevant and elicit immediate action and, thus, may evoke similar SMA activation patterns.”
    Quote in the paperSubstantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Interpretationcitation

    The current results are consistent with suggestions that neural mechanisms supporting higher-order cognition may often be best understood in terms of the computations, rather than the domains of knowledge, that they involve.

    “More generally, the current results are consistent with suggestions that neural mechanisms supporting higher-order cognition may often be best understood in terms of the computations, rather than the domains of knowledge, that they involve (Mitchell, 2008).”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Mitchell, 2008

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  • May combine two claims.

    Interpretationcitation

    Relationships between domains of psychological distance are distinguished from those between other source and target domains because any domain of psychological distance confers a chronically accessible, automatically processed common meaning that affects perception, cognition, and behavior similarly.

    “Relationships between domains of psychological distance are distinguished from those between other source and target domains because any domain of psychological distance confers a chronically accessible, automatically processed common meaning (Bar-Anan et al., 2006, 2007) that affects perception, cognition, and behavior similarly (Liberman and Trope, 2008).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Bar-Anan et al., 2006, 2007

      Not checked in the free run.

    • cites Liberman and Trope, 2008

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35 of 35
  • The paper relies on this without support.

    The spatial, temporal, and social distance stimuli validly operationalize egocentric distance in their respective domains.

    “To make distances meaningfully comparable across domains, participants were asked to compare each stimulus with a reference point or anchor from the same distance domain.”
  • The paper relies on this without support.

    Participants' postscan ratings of psychological distance accurately reflect their subjective psychological distance.

    “After scanning, 12 participants completed a paper-and-pencil questionnaire consisting of behavioral ratings of psychological distance between stimuli.”
  • The paper relies on this without support.

    The probe questions ensured that participants compared the anchor and target stimuli in terms of relative egocentric distance rather than other aspects of the stimuli.

    “a probe (e.g., “Later?”) that was intended to ensure that participants were comparing the anchor and target stimuli in the intended manner (i.e., in terms of relative egocentric distance and not other aspects of the stimuli).”
  • The paper relies on this without support.

    Postscan written questionnaire ratings reflect participants' perceived egocentric psychological distance during scanning.

    “Results of postscan written questionnaires confirmed that participants perceived stimuli pairs from trials in all domains to differ substantially in terms of relative egocentric psychological distance.”
    “After scanning, 12 participants rated each pair of stimuli seen in the scanner in terms of relative temporal soon-ness, social familiarity, and physical closeness on a 1-7 point scale.”
  • The paper relies on this without support.

    Cross-domain decoding accuracy above chance reflects a shared neural representation of relative egocentric distance rather than shared task or stimulus properties.

    “This suggests, at least at the current level of observation, using the current experimental paradigm, that the local distributed patterns, rather than average magnitude, of fMRI responses contain information that distinguishes between different relative egocentric distances across social, spatial, and temporal distance domains.”
    “In several clusters throughout the right IPL, a classifier trained to distinguish trials based on relative egocentric distance within any single domain could distinguish trials within any other domain according to distance above chance across participants.”
5 of 5

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Self-PPS may contribute to gaining social, temporal, and physical proximity with others around us in addition to the regulation of social distances.

    “In this way, self PPS may contribute to gaining social, temporal and physical proximity with the others around us in addition to the regulation of social distances (Parkinson, Liu, & Wheatley, 2014;Ruggiero et al., 2019;Sorokowska et al., 2017).”

    From The Peripersonal Space in a social world (2021) · cites this paper as Parkinson, Liu, & Wheatley, 2014

    The Discussion (page not specified) reports a common cortical code for egocentric spatial, temporal, and social distance. It does not establish that self-peripersonal space (self-PPS) helps people gain proximity to others or regulate social distances. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Several specific brain regions represent participants' assessment of power or affiliation.

    “Several specific brain regions represent participants’ assessment of power (social status in the community) (Muscatell et al., 2012) or affiliation (familiarity of acquaintances) (Parkinson et al., 2014).”

    From A map for social navigation in the human brain (2015) · cites this paper as Parkinson et al., 2014

Cites

Flagged first, then by citations

Research works printed but not linked: 1

  1. Zar JH (1996) Biostatistical analysis (Prentice Hall, Upper Saddle River, NJ).

Cited by

Sorted by citations

Authors
Parkinson, C., Liu, S., & Wheatley, T.
Affiliations
Dartmouth College (US)
Venue
The Journal of Neuroscience
Published
2014-01-29
Volume
34
Issue
5
Pages
1979-1987
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2056416465
Cited by
198
References
61
Citations by year
2026: 11 · 2025: 15 · 2024: 23 · 2023: 17 · 2022: 31 · 2021: 22 · 2020: 12 · 2019: 19 · 2018: 11 · 2017: 14 · 2016: 9 · 2015: 9 · 2014: 5
FWCI
17.11
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Dartmouth College
  • Natural Sciences and Engineering Research Council of Canada
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Language, Metaphor, and Cognition
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Categorization, perception, and language
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
Keywords
spatial distance, temporal distance, social distance, egocentric distance, inferior parietal lobule, representational similarity, spatial metaphor, social familiarity
MeSH terms
Adult, Algorithms, Analysis of Variance, Artificial Intelligence, Brain Mapping, Cerebral Cortex, Female, Humans, Image Processing, Computer-Assisted, Judgment, Magnetic Resonance Imaging, Male, Oxygen, Surveys and Questionnaires, Reaction Time, Psychological Distance, Space Perception, Young Adult

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