Memory Decline Causes and Consequences

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Questions and Answers

What is the main purpose of neuroimaging techniques in the context of understanding the brain?

  • To study the circulatory system within the brain
  • To analyze the impact of spinal cord injuries on cognitive abilities
  • To examine neurotransmitter levels in the brain
  • To provide detailed images of brain anatomy (correct)

In the context of age-related changes in white matter, what do white matter hyperintensities indicate?

  • Healthy aging of the brain
  • A higher risk of developing circulatory disorders
  • Myelin loss or neural atrophy (correct)
  • Increased levels of dopamine

Which neuroscience approach involves comparing healthy older adults to individuals with pathological brain disorders?

  • Neuropsychological Approach (correct)
  • Neurocorrelational Approach
  • Activation Imaging Approach
  • Structural Neuroimaging Approach

What is the primary purpose of functional neuroimaging techniques?

<p>To indicate brain activity during specific tasks (A)</p> Signup and view all the answers

Which common age-related misconception regarding white matter health was disproved by research findings?

<p>&quot;Generic&quot; white matter changes are solely attributed to aging (B)</p> Signup and view all the answers

What type of cognitive processes are typically affected by age-related declines?

<p>Episodic and working memory (A)</p> Signup and view all the answers

According to the 'Compensation-Related Utilization of Neural Circuits Hypothesis', how do older adults adapt to neurological decline?

<p>Older adults show bilateral brain activation compared to younger adults' unilateral activity. (A)</p> Signup and view all the answers

According to the 'Scaffolding Theory of Cognitive Aging-revised' (STAC-r), what is a key characteristic of the aging brain?

<p>Older adults have ineffective suppression of the brain's default network when engaging in cognitively demanding tasks. (B)</p> Signup and view all the answers

What is the primary mechanism by which damage to structures using acetylcholine (ACh) is associated with memory declines?

<p>Damage to structures using ACh (B)</p> Signup and view all the answers

According to the 'Parieto-Frontal Integration Theory' (P-FIT), what is the proposed mechanism for individual differences in intelligence?

<p>Variations in brain structure and function in the parietal and frontal areas (A)</p> Signup and view all the answers

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