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The mind's eye – precuneus activation in memory-related imagery
Open accessAbstract
We examined brain activity associated with visual imagery at episodic memory retrieval using positron emission tomography (PET). Twelve measurements of regional cerebral blood flow (rCBF) were taken in six right-handed, healthy, male volunteers. During six measurements, they were engaged in the cued recall of imageable verbal paired associates. During the other six measurements, they recalled nonimageable paired associates. Memory performance was equalized across all word lists. The subjects' use of an increased degree of visual imagery during the recall of imageable paired associates was confirmed using subjective rating scales after each scan. Memory-related imagery was associated with significant activation of a medial parietal area, the precuneus. This finding confirms a previously stated hypothesis about the precuneus and provides strong evidence that it is a key part of the neural substate of visual imagery occurring in conscious memory recall.
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“Notably, these regions have been linked previously with episodic imagery, contextual detail and scene construction processes important to both past and future events (Fletcher et al., 1995;Bar and Aminoff, 2003;Okuda et al., 2003;Hassabis and Maguire, 2007;Hassabis et al., 2007a;Szpunar et al., 2009;Andrews-Hanna et al., 2010).”
From Considering the role of semantic memory in episodic future thinking: evidence from semantic dementia (2012) · cites this paper as Fletcher et al., 1995
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The precuneus: a review of its functional anatomy and behavioural correlates
Cavanna, A. E., & Trimble, M. R. (2006) · Brain · doi:10.1093/brain/awl004 · Cited by 5,128
“In a landmark PET study, Fletcher et al. (1995) used a mnemonic strategy during retrieval to test a hypothesis about the possible relationship of precuneus activity to visual imagery.”
BackgroundMethodImaging Cognition II: An Empirical Review of 275 PET and fMRI Studies
Cabeza, R., & Nyberg, L. (2000) · Journal of Cognitive Neuroscience · doi:10.1162/08989290051137585 · Cited by 3,598
The human hippocampus and spatial and episodic memory
Burgess, N., Maguire, E. A., & O'Keefe, J. (2002) · Neuron · doi:10.1016/s0896-6273(02)00830-9 · Cited by 2,401
“…processes to guide mental image, having been associated with the image- accurate navigation probably accounts for the right hipability of the products of retrieval (Fletcher et al., 1995), pocampus involvement in accurate large-scale navigawhile the continuous strip of activation seen between tion.”
BackgroundHow (and where) does moral judgment work?
Greene, J., & Haidt, J. (2002) · Trends in Cognitive Sciences · doi:10.1016/s1364-6613(02)02011-9 · Cited by 1,945
Addis, D. R., Wong, A. T., & Schacter, D. L. (2007) · Neuropsychologia · doi:10.1016/j.neuropsychologia.2006.10.016 · Cited by 1,949
“The precuneus, which supports episodic imagery (Fletcher et al., 1995), was also expected to be active primarily during elaboration, and indeed the left precuneus exhibited this pattern of responsiveness .”
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Metadata
- Authors
- Fletcher, P. C., Frith, C. D., Baker, S. C., Shallice, T., Frackowiak, R. S. J., & Dolan, R. J.
- Affiliations
- The Royal Free Hospital (GB)
- Venue
- NeuroImage
- Publisher
- Elsevier BV
- Published
- 1995-09
- Volume
- 2
- Issue
- 3
- Pages
- 195-200
- ISSN
- 1053-8119 (ISSN-L)
- OpenAlex
- W1966326035
- Cited by
- 680
- References
- 0
- Citations by year
- 2026: 5 · 2025: 12 · 2024: 17 · 2023: 14 · 2022: 15 · 2021: 18 · 2020: 36 · 2019: 41 · 2018: 28 · 2017: 23 · 2016: 26 · 2015: 19 · 2014: 26 · 2013: 21 · 2012: 24
- FWCI
- 8.78
- Type
- journal article
- Language
- en
- Open access
- green
- hdl.handle.net
- Licence
- Locations
- NeuroImage (publishedVersion)
- PubMed (publishedVersion)
- UCL Discovery (University College London) (submittedVersion)
- Max Planck Digital Library (submittedVersion, other-oa)
- SDL (submittedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
- Funders
- Wellcome Trust
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
- Keywords
- precuneus, visual imagery, episodic memory retrieval, paired associates, imageability, medial parietal cortex, regional cerebral blood flow
- MeSH terms
- Adult, Attention, Brain Mapping, Humans, Image Processing, Computer-Assisted, Imagination, Male, Paired-Associate Learning, Parietal Lobe, Mental Recall, Reference Values, Regional Blood Flow, Tomography, Emission-Computed, Visual Perception
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