In the podcast/youtube video with Dr. Wendy Suzuki, what does she reference as the primary benefit of exercise on the brain's prefrontal cortex?

Question

BlackTom AI · Accepted Answer

The correct answer is B because the prefrontal cortex (PFC) is primarily responsible for executive functions such as attention, working memory, planning, and decision-making, and Dr. Wendy Suzuki emphasizes that exercise boosts those PFC-mediated abilities.

1) Relevant knowledge points and concepts
- Prefrontal cortex: brain region governing executive functions—sustained attention, cognitive control, planning, and decision-making.
- Acute and chronic exercise effects: acute aerobic activity increases catecholamines (dopamine, norepinephrine) that transiently enhance attention and cognitive control; regular exercise promotes structural and functional plasticity (improved connectivity and neurotrophic support) that supports executive functions.
- Dr. Wendy Suzuki’s emphasis: she highlights exercise as a powerful, immediate, and long-term enhancer of executive function and attention via its effects on the PFC.

2) Step-by-step reasoning
- Step 1: Identify the PFC’s main roles — attention and decision-making are central PFC responsibilities.
- Step 2: Link exercise physiology to PFC function — exercise elevates neurotransmitters and neuromodulators that sharpen focus and improve cognitive control; over time it enhances brain health supporting these functions.
- Step 3: Match this with Suzuki’s statements — she cites improved attention and decision-making as primary cognitive benefits of exercise on the PFC.

3) (No numerical calculations required)

4) Why the correct answer is correct
- “Improves decision making and attention” directly names the executive functions localized to the PFC that Suzuki attributes to exercise. Both acute boosts (better focus, faster response) and long-term gains (improved executive control) are discussed in her work.

5) Why the other options are incorrect
- “Reduces the risk of Alzheimer’s disease”: more associated with hippocampal health and long-term disease risk rather than the PFC’s immediate executive function gains Suzuki stresses.
- “Enhances mood and energy”: true as a general exercise benefit but not the PFC-specific primary benefit Suzuki highlights.
- “Increases memory retention”: memory is chiefly hippocampal; Suzuki discusses memory benefits too but emphasizes PFC-related attention and decision-making when referring to the PFC.

6) Conclusion
This reasoning confirms the provided correct answer: improves decision making and attention.

In the podcast/youtube video with Dr. Wendy Suzuki, what does she reference as the primary benefit of exercise on the brain's prefrontal cortex?单项选择题

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