HM_aging - AGING AND MEMORY The aging of America...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: AGING AND MEMORY The aging of America Conventional wisdom on aging and memory Neurobiological changes [demo] Neural mass decreases, 5-10% / decade Shrinkage; atrophy of white matter Frontal lobes particularly vulnerable Some atrophy, little cell loss, in hippocampus Decreases in neurotransmitters Acetylcholine from basal forebrain Dopamine receptors in frontal lobes Decreased blood flow, metabolism Less functional activation Left anterior frontal during encoding Right anterior frontal during retrieval HOW MEMORY CHANGES The myth of inevitable, global decline Deficits may be due to other factors: General health problems Medication Depression Self-concept, sense of efficacy Educational level Motivation and task engagement Specific disease (e.g., Alzheimers) Age-related declines seen . . . M ore in Than in Kinds of memory: declarative procedural explicit implicit episodic semantic recent remote Types of tasks: complex simple tasks unfamiliar familiar tasks distractor no distractor divided full attention recall recognition...
View Full Document

Page1 / 14

HM_aging - AGING AND MEMORY The aging of America...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online