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Chapter 8: The Central Nervous System


Critical Thinking Activities

Chapter 8: The Central Nervous System

  1. A surgeon has just opened your cranium and then drops a probe inside. Your right leg goes flying up. On what part of your brain did the probe land?

    Answer

  2. Recent research has shown that certain odors, especially menthol (from mint), will allow a person to remember and then recall information better. What does this suggest about a role of the limbic system?

    Answer

  3. People with Alzheimer Disease (=AD) have difficulty learning new things. What would one area of damage be in those with AD?

    Answer

  4. The vomernasal organ (=VNO) found in many mammals (probably including humans) detects sex attracting chemicals (i.e. pheromones). When the pheromone is detected, sexual arousal will be initiated. To what unconscious brain area would the VNO deliver information?

    Answer

  5. Researchers have been trying to find the specific area of the brain that controls rhythmic breathing when a person is deeply asleep. So far, the information points to an area called the arcuate nucleus. In what major area of the brain do you think you would find the arcuate nucleus?

    Answer

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