Cited by 882Face Recognition and PerceptionVisual perception and processing mechanismsFace recognition and analysis

Electrophysiological studies of human face perception. I: Potentials generated in occipitotemporal cortex by face and non-face stimuli

Allison, T.·1999·Cerebral Cortex

Abstract

This and the following two papers describe event-related potentials (ERPs) evoked by visual stimuli in 98 patients in whom electrodes were placed directly upon the cortical surface to monitor medically intractable seizures. Patients viewed pictures of faces, scrambled faces, letter-strings, number-strings, and animate and inanimate objects. This paper describes ERPs generated in striate and peristriate cortex, evoked by faces, and evoked by sinusoidal gratings, objects and letter-strings. Short-latency ERPs generated in striate and peristriate cortex were sensitive to elementary stimulus features such as luminance. Three types of face-specific ERPs were found: (i) a surface-negative potential with a peak latency of approximately 200 ms (N200) recorded from ventral occipitotemporal cortex, (ii) a lateral surface N200 recorded primarily from the middle temporal gyrus, and (iii) a late positive potential (P350) recorded from posterior ventral occipitotemporal, posterior lateral temporal and anterior ventral temporal cortex. Face-specific N200s were preceded by P150 and followed by P290 and N700 ERPs. N200 reflects initial face-specific processing, while P290, N700 and P350 reflect later face processing at or near N200 sites and in anterior ventral temporal cortex. Face-specific N200 amplitude was not significantly different in males and females, in the normal and abnormal hemisphere, or in the right and left hemisphere. However, cortical patches generating ventral face-specific N200s were larger in the right hemisphere. Other cortical patches in the same region of extrastriate cortex generated grating-sensitive N180s and object-specific or letter-string-specific N200s, suggesting that the human ventral object recognition system is segregated into functionally discrete regions.

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Research works printed but not linked: 2

  1. Sergent J (1988) Face perception and the right hemisphere. In: Thought without language (Weiskrantz L, ed.), pp. 108-131. Oxford: Oxford University Press.
  2. Young AW (1988) Functional organization of visual recognition. In: Thought without language (Weiskrantz L, ed.), pp. 78-107. Oxford: Oxford University Press.

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Authors
Allison, T.
Affiliations
United States Department of Veterans Affairs (US)
Corresponding author
Allison, T.
Venue
Cerebral Cortex
Published
1999-07-01
Volume
9
Issue
5
Pages
415-430
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2089505718
Cited by
882
References
98
Citations by year
2026: 7 · 2025: 9 · 2024: 22 · 2023: 15 · 2022: 22 · 2021: 25 · 2020: 23 · 2019: 23 · 2018: 25 · 2017: 22 · 2016: 36 · 2015: 35 · 2014: 45 · 2013: 52 · 2012: 36
FWCI
15.81
Type
journal article
Language
en
Open access
closed
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Yale University
  • National Institute of Mental Health (MH-05 286, R01MH005286)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Face recognition and analysis
Keywords
face perception, event-related potentials, N2 component, P350, ventral occipitotemporal cortex, extrastriate cortex, face-specific processing, object recognition, hemispheric lateralization, middle temporal gyrus, ventral temporal cortex
MeSH terms
Adolescent, Adult, Child, Corpus Striatum, Epilepsy, Evoked Potentials, Visual, Facial Expression, Female, Form Perception, Humans, Functional Laterality, Male, Middle Aged, Occipital Lobe, Photic Stimulation, Reaction Time, Reading, Sex Characteristics, Temporal Lobe, Case-Control Studies

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