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Shared Functions of Perirhinal and Parahippocampal Cortices: Implications for Cognitive Aging.
Burke, Sara N; Gaynor, Leslie S; Barnes, Carol A; Bauer, Russell M; Bizon, Jennifer L; Roberson, Erik D; Ryan, Lee.
Afiliación
  • Burke SN; McKnight Brain Institute, Department of Neuroscience, University of Florida, Gainesville, FL, USA; Institute on Aging, University of Florida, Gainesville, FL, USA. Electronic address: burkes@ufl.edu.
  • Gaynor LS; McKnight Brain Institute, Department of Neuroscience, University of Florida, Gainesville, FL, USA; Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA.
  • Barnes CA; Evelyn F. McKnight Brain Institute, University of Arizona, Tucson, AZ, USA; Division of Neural Systems Memory and Aging, University of Arizona, Tucson, AZ, USA; Department of Psychology, University of Arizona, Tucson, AZ, USA; Department of Neurology and Neuroscience, University of Arizona, Tucson,
  • Bauer RM; Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA.
  • Bizon JL; McKnight Brain Institute, Department of Neuroscience, University of Florida, Gainesville, FL, USA.
  • Roberson ED; Evelyn F. McKnight Brain Institute, Alzheimer's Disease Center, Center for Neurodegeneration and Experimental Therapeutics, Departments of Neurology and Neurobiology, University of Alabama at Birmingham, AL, USA.
  • Ryan L; Evelyn F. McKnight Brain Institute, University of Arizona, Tucson, AZ, USA; Department of Psychology, University of Arizona, Tucson, AZ, USA. Electronic address: ryant@email.arizona.edu.
Trends Neurosci ; 41(6): 349-359, 2018 06.
Article en En | MEDLINE | ID: mdl-29555181
A predominant view of perirhinal cortex (PRC) and postrhinal/parahippocampal cortex (POR/PHC) function contends that these structures are tuned to represent objects and spatial information, respectively. However, known anatomical connectivity, together with recent electrophysiological, neuroimaging, and lesion data, indicate that both brain areas participate in spatial and nonspatial processing. Instead of content-based organization, the PRC and PHC/POR may participate in two computationally distinct cortical-hippocampal networks: one network that is tuned to process coarse information quickly, forming gist-like representations of scenes/environments, and a second network tuned to process information about the specific sensory details that are necessary for discrimination across sensory modalities. The available data suggest that the latter network may be more vulnerable in advanced age.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Cognición / Giro Parahipocampal / Envejecimiento Cognitivo / Corteza Perirrinal Tipo de estudio: Prognostic_studies Límite: Animals / Humans Idioma: En Revista: Trends Neurosci Año: 2018 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Cognición / Giro Parahipocampal / Envejecimiento Cognitivo / Corteza Perirrinal Tipo de estudio: Prognostic_studies Límite: Animals / Humans Idioma: En Revista: Trends Neurosci Año: 2018 Tipo del documento: Article Pais de publicación: Reino Unido