The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.
Posterior parietal cortex activity predicts individual differences in visual short-term memory capacity
Open accessAbstract
Humans show a severe capacity limit in the number of objects they can store in visual short-term memory (VSTM). We recently demonstrated with functional magnetic resonance imaging that VSTM storage capacity estimated in averaged group data correlated strongly with posterior parietal/superior occipital cortex activity (Todd & Marois, 2004). However, individuals varied widely in their VSTM capacity. Here, we examined the neural basis of these individual differences. A voxelwise, individualdifferences analysis revealed a significant correlation between posterior parietal cortex (PPC) activity and individuals’ VSTM storage capacity. In addition, a region-of-interest analysis indicated that other brain regions, particularly visual occipital cortex, may contribute to individual differences in VSTM capacity. Thus, although not ruling out contributions from other brain regions, the individual-differences approach supports a key role for the PPC in VSTM by demonstrating that its activity level predicts individual differences in VSTM storage capacity.
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Cites
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Cited by
The Mind and Brain of Short-Term Memory
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Working memory and attention - a conceptual analysis and review
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“One recent study, however, paints a more differentiated picture: Decoding of orientations maintained in VWM from fMRI signals in visual cortex was again good for attended and absent for unattended items, but decoding from signals in parietal cortex (IPS and frontal eye fields) was equally good for both attended and un…”
InfluentialWorking memory, long-term memory, and medial temporal lobe function
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Decoding the Contents of Visual Short-Term Memory from Human Visual and Parietal Cortex
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Role of Prefrontal Persistent Activity in Working Memory
Riley, M. R., & Constantinidis, C. (2016) · Frontiers in Systems Neuroscience · doi:10.3389/fnsys.2015.00181 · Cited by 251
Metadata
- Authors
- TODD, J. J., & MAROIS, R.
- Venue
- Cognitive, Affective, & Behavioral Neuroscience
- Published
- 2005-06-01
- Volume
- 5
- Issue
- 2
- Pages
- 144-155
- ISSN
- 1530-7026 (ISSN-L)
- 1531-135X
- OpenAlex
- W2060297655
- Cited by
- 357
- References
- 16
- FWCI
- 4.20
- Type
- journal article
- Language
- en
- Open access
- bronze
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