Cited by 598Face Recognition and PerceptionVisual perception and processing mechanismsTactile and Sensory Interactions

Differential extrageniculostriate and amygdala responses to presentation of emotional faces in a cortically blind field

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Morris, J. S.·2001·Brain

Abstract

Patient G.Y. is able to discriminate emotional facial expressions presented in his blind (right) hemifield despite an extensive lesion of the corresponding (left) striate cortex. One proposal is that this residual ability (affective "blindsight") depends on a subcortical visual pathway comprising the superior colliculus, posterior (extrageniculate) thalamus and amygdala. Here we report differential amygdala responses in G.Y. to presentation of fearful and fear-conditioned faces in his blind (right) hemifield. These amygdala responses exhibited condition-dependent covariation with neural activity in the posterior thalamus and superior colliculus. Our results provide further evidence that an extrageniculostriate (colliculo-thalamo-amygdala) neural pathway can process fear-related stimuli independently of both the striate cortex and normal phenomenal visual awareness.

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Crossref · 10.1093/brain/124.6.1241

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  • In cortically blind patients with visual cortex damage, right amygdala activity increased in response to direct gaze compared with averted gaze and co-varied with superior colliculus and pulvinar activity.

    “Activity in the right amygdala was increased in these patients in response to presentation of images of faces with direct gaze compared to averted gaze (38,39), and this activity co-varied in a condition-dependent way with activity in the SC and Pv (38).”

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  1. [3]3. Grieve et al., 2000). Both the medial pulvinar Comp Neurol 1975; 160: 339-61.
  2. [5]5. Linke et al., 1999). It is notable, Neuron 1998; 20: 947-57.

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Authors
Morris, J. S.
Affiliations
National Hospital for Neurology and Neurosurgery (GB)
Corresponding author
Morris, J. S.
Venue
Brain
Published
2001-06-01
Volume
124
Issue
6
Pages
1241-1252
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W2122040866
Cited by
598
References
38
Citations by year
2026: 7 · 2025: 9 · 2024: 8 · 2023: 9 · 2022: 12 · 2021: 12 · 2020: 14 · 2019: 34 · 2018: 17 · 2017: 26 · 2016: 32 · 2015: 22 · 2014: 31 · 2013: 25 · 2012: 27
FWCI
11.87
Type
journal article
Language
en
Open access
Locations
  • Brain (publishedVersion)
  • PubMed (publishedVersion)
  • Research portal (Tilburg University) (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
  • UCL Discovery (University College London) (submittedVersion)
  • Max Planck Digital Library (submittedVersion, other-oa)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
Keywords
facial expression perception, amygdala, superior colliculus, posterior thalamus, fear conditioning, visual awareness, subcortical visual pathways
MeSH terms
Adult, Amygdala, Avoidance Learning, Brain Mapping, Conditioning, Psychological, Consciousness, Emotions, Fear, Hemianopsia, Humans, Functional Laterality, Magnetic Resonance Imaging, Male, Neuronal Plasticity, Neuropsychological Tests, Pattern Recognition, Visual, Photic Stimulation, Psychomotor Performance, Superior Colliculi, Visual Cortex, Visual Pathways, Blindness, Cortical, Recovery of Function, Pulvinar

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