Cited by 293Visual perception and processing mechanismsFace Recognition and PerceptionAesthetic Perception and Analysis

Impact of learning on representation of parts and wholes in monkey inferotemporal cortex

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Baker, Chris I., Behrmann, Marlene, Olson, Carl R.·2002·Nature Neuroscience

Abstract

Here we investigated the impact of visual discrimination training on neuronal responses to parts of images and to whole images in inferotemporal (IT) cortex. Monkeys were trained to discriminate among 'baton' stimuli consisting of discrete top and bottom parts joined by a vertical stem. With separate features at each end, we were able to manipulate the two parts of each baton independently. After training the monkeys, we used single-cell recording to compare neuronal responses to learned and unlearned batons. Responses to learned batons, though not enhanced in strength, were enhanced in selectivity for both individual parts and for whole batons. Whole-baton selectivity arose from a form of conjunctive encoding whereby two parts together exerted a greater influence on neuronal activity than predicted by the additive influence of each part considered individually. These results indicate a possible neural mechanism for holistic or configural effects in expert versus novice observers.

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Crossref · 10.1038/nn960

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  • Binding of letters may also be based on more holistic coding, as suggested by the demonstration that single IT neurons develop selectivity for learned complex shapes above and beyond additive influence of component parts.

    “Binding of letters may also be based on more holistic coding, as suggested by the recent demonstration that single IT neurons develop selectivity for learned complex shapes, above and beyond what could be expected from the additive influence of their component parts (Baker et al., 2002).”

    From Specialization within the ventral stream: the case for the visual word form area (2004) · cites this paper as Baker et al., 2002

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Authors
Baker, C. I., Behrmann, M., & Olson, C. R.
Affiliations
  • Center for the Neural Basis of Cognition (US)
  • University of Pittsburgh (US)
Corresponding author
Baker, Chris I.
Venue
Nature Neuroscience
Published
2002-10-15
Volume
5
Issue
11
Pages
1210-1216
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2092661421
Cited by
293
References
44
Citations by year
2026: 4 · 2025: 3 · 2024: 7 · 2023: 4 · 2022: 6 · 2021: 9 · 2020: 7 · 2019: 5 · 2018: 8 · 2017: 6 · 2016: 13 · 2015: 14 · 2014: 12 · 2013: 15 · 2012: 12
FWCI
5.86
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • KiltHub Repository (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • KiltHub Repository
Funders
  • National Institutes of Health
  • National Eye Institute (R01 EY-11831, R01EY011831)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Aesthetic Perception and Analysis
Keywords
inferotemporal cortex, visual discrimination learning, holistic processing, object recognition, single neuron responses
MeSH terms
Animals, Haplorhini, Discrimination Learning, Electrophysiology, Neurons, Pattern Recognition, Visual, Photic Stimulation, Temporal Lobe, Visual Fields

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