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Related Experiment Videos

[Attention and aging].

Eric Siéroff1, Ambre Piquard

  • 1Laboratoire de psychologie expérimentale, Université Paris V / CNRS. eric.sieroff@univ-paris5.fr

Psychologie & Neuropsychiatrie Du Vieillissement
|February 3, 2005
PubMed
Summary

Cognitive theories have improved understanding of aging-related attentional deficits. Posner

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Area of Science:

  • Cognitive Neuroscience
  • Neuropsychology
  • Aging Research

Context:

  • Recent advancements in cognitive theories have refined the understanding of attentional deficits in aging.
  • Posner's theory provides a framework for describing attention as a network with three subsystems: vigilance, selective attention, and executive attention (command).
  • This framework links attentional functions to specific anatomical and neurochemical substrates.

Purpose:

  • To present attentional deficits within the framework of Posner's attention network theory.
  • To describe the functions, anatomical, and neurochemical substrates of vigilance, selective attention, and executive attention.
  • To outline clinical tests for assessing these attentional subsystems.

Summary:

  • Normal aging may involve a decline in executive attention (command).
  • Degenerative diseases like frontotemporal dementia, Alzheimer's disease, and Parkinson's disease are often associated with significant deficits in executive attention.
  • Alzheimer's disease is frequently characterized by early deficits in selective spatial attention.

Impact:

  • Provides a structured approach to understanding and diagnosing attentional impairments in aging and neurodegenerative conditions.
  • Highlights the differential impact of aging and specific diseases on distinct attentional subsystems.
  • Facilitates the development of targeted interventions for attentional deficits based on their underlying neural substrates.

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