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Activation of Broca's area by syntactic processing under conditions of concurrent articulation
Abstract
This work tests the hypothesis that a network of areas involving bilateral premotor cortex and right parietal cortex subserves the analysis of sound movement. The components of this network have been examined at the level of individual subjects in a study where 720 fMRI scans were acquired per subject. Additionally, the effect of movement direction was investigated by varying this property systematically. Linear sound ramps that are perceived as movement toward one side of the head or the other were used in an experiment in which the principal contrast was between movement, and a stationary control stimulus made up of identical component interaural phase and amplitude cues. In a group analysis, the network of bifrontal and right parietal areas suggested by previous work was confirmed. The frontal activation included both dorsal premotor activity in the region of the frontal eye fields and discrete ventral premotor activation in an area corresponding to primate areas for multimodal spatial analysis and motor planning. The right parietal activation included both superior and inferior parietal cortex. Analysis of the individual data showed a similar pattern of activation in each subject, with the greatest variability within the right parietal area. The pattern of activation did not vary when the direction of movement was varied, suggesting that both directions of movement are represented in the network we have demonstrated.
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“However, activation during processing of syntactically complex sentences was also assigned to area 45 (triangular part) in studies using semantic plausibility judgment tasks or sentence picture-matching tasks [22],[23].”
From Broca's Region: Novel Organizational Principles and Multiple Receptor Mapping (2010) · cites this paper as [22]
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“There was continued emphasis on the importance of Broca's area (BA 44 and sometimes BA 45) for syntactic processing (Caplan et al., 1998,1999; Inui et al., 1998; Kang et al., 1999; Moro et al., 2001; Nakai et al., 1999; Ni et al., 2000) even when articulation was suppressed (Caplan et al., 2000).”
From A review and synthesis of the first 20years of PET and fMRI studies of heard speech, spoken language and reading (2012) · cites this paper as Caplan et al., 2000
In the citing paper
“The reduced connectivity with temporal cortex areas in which objects and faces are represented was interpreted as contributing to the reduced positive valuation of signals involved in emotion such as the sight of face expressions, and of people (Hasselmo et al., 1989; Critchley et al., 2000).”
From The orbitofrontal cortex: reward, emotion and depression (2020) · cites this paper as Critchley et al., 2000
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Metadata
- Authors
- Caplan, D., Alpert, N., Waters, G., & Olivieri, A.
- Venue
- Human Brain Mapping
- Published
- 2000
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- Caplan, D., Alpert, N., Waters, G., & Olivieri, A. (2000). Activation of Broca's area by syntactic processing under conditions of concurrent articulation. Human Brain Mapping. https://doi.org/10.1002/(sici)1097-0193(200002)9%3A2
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