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  1. IMPORTANT WARNING Please note that this PowerPoint Presentation contains animations. In order to view the content properly, an add-in function must be installed into the PowerPoint software. The add-in function is downloadable from the following hyperlink. Swiff Point Player

  2. THE AMAZING FACTS OF AGING

  3. HISTORICAL AND CURRENT DOGMA OF THE AGING BRAIN • Accelerated rate of brain shrinkage after age 50. • Loss of 100,000 neurons in the cortex per day. • Irreversible process of brain dysfunction. Historical perspective • Insignificant loss of neurons. • Neuronal atrophy and loss of synaptic connections. • Evidence of brain plasticity. Current perspective

  4. ANATOMICAL CHANGES IN THE AGING BRAIN

  5. ANATOMICAL CHANGES IN THE BASAL GANGLIA

  6. ANATOMICAL CHANGES IN THE SUBARACHNOID SPACE

  7. ANATOMICAL CHANGES IN THE VENTRICLES

  8. ANATOMICAL CHANGES IN THE HIPPOCAMPUS

  9. ANATOMICAL CHANGES IN THE WHITE MATTER

  10. CONGITIVE CHANGES IN AGING: INTELLIGENCE Fluid Intelligence – Ability to think and reason. Crystallized Intelligence – Ability to apply skill and knowledge. Aged-related change: Decline in fluid intelligence

  11. CONGITIVE CHANGES IN AGING: MENTAL PROCESSING Decline in attentional ability Working memory Aged-related change: Decline in mental processing via reduction of attentional ability and decline in ability in forming working memory

  12. CONGITIVE CHANGES IN AGING: LONG-TERM MEMORY Explicit memory – Retention of previously acquired skills & reflexes. Implicit memory – Conscious memory of facts & events. Aged-related change: Decline in explicit memory

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