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Selectively distributed processing of visual object recognition in the temporal and frontal lobes of the human brain
Author(s) -
Seeck M.,
Schomer D.,
Mainwaring N.,
Ives J.,
Dubuisson D.,
Blume H.,
Cosgrove R.,
Ransil B. J.,
Mesulam M.M.
Publication year - 1995
Publication title -
annals of neurology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 4.764
H-Index - 296
eISSN - 1531-8249
pISSN - 0364-5134
DOI - 10.1002/ana.410370417
Subject(s) - neuroscience , object (grammar) , cognitive neuroscience of visual object recognition , human brain , frontal lobe , psychology , computer science , artificial intelligence , pattern recognition (psychology) , computer vision
Evoked potentials to visually driven cognitive tasks were recorded through depth electrodes placed bilaterally within the amygdala, hippocampus, midtemporal and inferotemporal cortex, and lateral frontal cortex of 6 epileptic patients. Task‐related differential response patterns were used to identify the recording sites engaged by specific aspects of visual encoding. In this group of 6 patients, the amygdala was most frequently engaged in encoding the familiarity of faces; midtemporal and inferotemporal cortex, in encoding perceptual identity and object categorization; and lateral frontal cortex, in holding visual object information in working memory. The two aspects of encoding that most frequently engaged the hippocampal region were related to working memory and object categorization. The processing of complex visual knowledge is thus anatomically distributed but regionally specialized. These experiments also showed that identical input and output parameters can engage different areas of the brain depending on the nature of the instructional set.