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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?

To indicate brain activity during specific tasks Signup and view all the answers

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

"Generic" white matter changes are solely attributed to aging Signup and view all the answers

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

Episodic and working memory Signup and view all the answers

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

Older adults show bilateral brain activation compared to younger adults' unilateral activity. 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?

Older adults have ineffective suppression of the brain's default network when engaging in cognitively demanding tasks. Signup and view all the answers

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

Damage to structures using ACh 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?

Variations in brain structure and function in the parietal and frontal areas Signup and view all the answers