mdcat logical reasoning MCQ #785

A researcher studying the effects of sleep deprivation on the human body notices that sleep deprivation can lead to impaired cognitive function. What is the likely explanation for this phenomenon?

mdcat logical reasoning MCQ #785

  1. Question 1

    Q1. A researcher studying the effects of sleep deprivation on the human body notices that sleep deprivation can lead to impaired cognitive function. What is the likely explanation for this phenomenon?

    • A) Sleep deprivation decreases the levels of dopamine
    • B) Sleep deprivation decreases the levels of serotonin
    • C) Sleep deprivation decreases the activity of the prefrontal cortex
    • D) Sleep deprivation increases the activity of the amygdala

    Answer: Sleep deprivation decreases the activity of the prefrontal cortex

    Explanation: Sleep deprivation can lead to impaired cognitive function by decreasing the activity of the prefrontal cortex, a region of the brain involved in decision-making and problem-solving