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- Neural_processing_for_individual_categories_of_objects abstract "Discrete categories of objects such as faces, body parts, tools, animals and buildings have been associated with preferential activation in specialised areas of the cerebral cortex, leading to the suggestion that they may be produced separately in discrete neural regions.Several such regions have been identified within the visual cortex. The fusiform face area (FFA) was first described by Sergent et al.(1992) who conducted a PET (positron emission tomography) study on subjects viewing gratings, faces, and objects. Facial identification exclusively produced increased bilateral activation in the fusiform gyrus, highlighting the dissociation between faces and other object processing. Similar results have also been reported for activation of the parahippocampal place area (PPA) in response to stimuli depicting places and spatial layouts; and in the extrastriate body area (EBA) in response to human body parts.Studies of patients with brain damage have revealed pure agnosic disorders that selectively impair recognition of specific object categories. Such agnosic disorders have been reported for faces (prosopagnosia), living vs. nonliving stimuli, fruits, vegetables, tools, and musical instruments among others, suggesting that such categories may be processed independently within the brain.Object-specific areas have been identified consistently across subjects and studies, however their responses are not always exclusive. Martin et al. (1996) found using fMRI that although object-specific responses for tools and animals were found in the left premotor cortex and left medial occipital lobes respectively, identification of both tools and animals produced increased bilateral activation of the ventral temporal lobes. Thus it appears that tools and animals, at least, are not wholly processed by discrete brain areas (despite selective impairment) and alternative theories propose that rather that being object-specific, cortical regions may show preferential activation as a result of greater expertise in one category, greater homogeneity between category members, task-related biases, and attentional preference amongst others.It may be that the use of distinct brain regions for processing different object categories results from different processing requirements necessary for each class. Indeed, Malach et al. (2002) detail findings that buildings and faces require processing at different resolutions in order to be recognised - face recognition requires the analysis of fine detail, while buildings can be recognised using larger scale feature integration. As a result, faces are associated with central visual field processing while buildings are processed more peripherally. Malach et al. (2002) report that points on the retina sharing foveal centricity are mapped onto parallel cortical bands and it therefore follows that object classes that are processed differently by retinal cells should be represented distinctly within the brain. Consistently, faces and buildings were found to be processed independently of each other and in discrete cortical regions suggesting that processing is facilitated by assigning object categories to distinct cortical regions according to the level and type of processing that they require.".
- Neural_processing_for_individual_categories_of_objects wikiPageID "22391885".
- Neural_processing_for_individual_categories_of_objects wikiPageLength "4274".
- Neural_processing_for_individual_categories_of_objects wikiPageOutDegree "24".
- Neural_processing_for_individual_categories_of_objects wikiPageRevisionID "645632286".
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Agnosia.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Brain_damage.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Category:Cognitive_neuroscience.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Category:Ontology.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Cerebral_cortex.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Cognitive_neuroscience_of_visual_object_recognition.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Domain_specificity.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink FMRI.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Face_perception.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Functional_magnetic_resonance_imaging.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Functional_specialization_(brain).
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Fusiform_face_area.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Fusiform_gyrus.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Human_brain.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Modularity_of_mind.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Occipital_lobe.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Parahippocampal_gyrus.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Positron_emission_tomography.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Premotor_cortex.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Principles_of_grouping.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Prosopagnosia.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Retina.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Structural_information_theory.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Temporal_lobe.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLink Visual_cortex.
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLinkText "Neural Processing for Individual Categories of Objects".
- Neural_processing_for_individual_categories_of_objects wikiPageWikiLinkText "Neural processing for individual categories of objects".
- Neural_processing_for_individual_categories_of_objects hasPhotoCollection Neural_processing_for_individual_categories_of_objects.
- Neural_processing_for_individual_categories_of_objects wikiPageUsesTemplate Template:Expert-subject.
- Neural_processing_for_individual_categories_of_objects wikiPageUsesTemplate Template:Reflist.
- Neural_processing_for_individual_categories_of_objects subject Category:Cognitive_neuroscience.
- Neural_processing_for_individual_categories_of_objects subject Category:Ontology.
- Neural_processing_for_individual_categories_of_objects type Article.
- Neural_processing_for_individual_categories_of_objects type Article.
- Neural_processing_for_individual_categories_of_objects comment "Discrete categories of objects such as faces, body parts, tools, animals and buildings have been associated with preferential activation in specialised areas of the cerebral cortex, leading to the suggestion that they may be produced separately in discrete neural regions.Several such regions have been identified within the visual cortex.".
- Neural_processing_for_individual_categories_of_objects label "Neural processing for individual categories of objects".
- Neural_processing_for_individual_categories_of_objects sameAs m.05syzry.
- Neural_processing_for_individual_categories_of_objects sameAs Q7002063.
- Neural_processing_for_individual_categories_of_objects sameAs Q7002063.
- Neural_processing_for_individual_categories_of_objects wasDerivedFrom Neural_processing_for_individual_categories_of_objects?oldid=645632286.
- Neural_processing_for_individual_categories_of_objects isPrimaryTopicOf Neural_processing_for_individual_categories_of_objects.