Moodle Quizzes

• What did Fairchild et al (2012) show about amygdala size?


  Amygdala size is associated with various conditions.
• Which of the following conditions is associated with amygdala size according to Fairchild et al (2012)?


  All of the above (Depression, Antisocial behaviour, Alzheimer's disease)
• How long ago did the brain stem evolve?


  About 500 million years ago.
• What is the purpose of dendrites?


  To receive messages from other neurons.
• Which of the following is not part of the brain stem?

  Broca's area.
• What functions do glial cells perform?


  All of the above (Provide nutrients, Insulate neurons, Remove cellular debris).
• What is the hypothesis regarding the treatment of schizophrenia?


  Schizophrenic symptoms arise because of too much dopamine.
• Which functions are associated with the frontal lobe?


  Planning and Speech (A and C).
• What is the major limitation of data obtained through EEG?


  It cannot pinpoint very specific sites of brain activity.
• What function does the myelin sheath perform?


  It speeds up the movement of the electrical signal through the neuron and prevents signals from interfering (Both b and c).
• What is the role of the sympathetic nervous system?


  Mobilizing the body's resources and energy during stress.
• What is the cerebellum responsible for?


  Fine motor control.
• What is a drug that mimics the action of a neurotransmitter called?


  An agonist.
• Which neurotransmitter deficit is associated with Alzheimer's Disease?


  Acetylcholine.
• What is a synapse?


  It is the gap between one cell's axon terminal and another's dendrites.
• Which neurotransmitter is involved in threat sensitivity or anxiety?

  Norepinephrine.
• Damage to the cerebellum is associated with which disorders?


  Parkinson's disease and ADHD (B and C).
• What are the limitations of fMRI scans?


  It doesn't directly measure neural activity and has poor temporal resolution (All of the above).
• How can changes in electrical activity in the brain be obtained?


  Using an Electroencephalogram (EEG).
• What functions does serotonin affect in neurons?


  Sleep, Memory, and Mood (All of the above).
• What is the principal function of the amygdala?


  To evaluate signals of threat and danger.