The purpose of the myelin sheath is to __________.
A. provide a place for respiration and metabolism to occur
B. carry messages from the spinal cord to the brain
C. insulate the neuron so it can act more efficiently
D. receive messages from outside the neuron and carry them to the cell nucleus
Answer: C
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Answer the following statements true (T) or false (F)
1. The tendency to perceive the functions of objects as fixed or unchanging can be an impediment to effective prob 2. Functional fixedness is a type of framing effect. 3. Functional fixedness occurs when the wrong past analogy is applied to a new goal state problem. 4. Being in a positive mood may aid the occurrence of a flash of insight. 5. There is a surge in electrical activity in the left frontal lobe about one third of a second before an insightful “Aha!” moment is experienced.
The trigger point at which a neuron will fire is called the
a. ion channel b. resting potential c. action potential d. threshold e. neurotransmitter
A man who is aroused by the thought of himself as a woman has the paraphilia known as __________.
A. transvestism B. transsexualism C. protophilia D. autogynephilia
Which of the following is true about the cognitive processes that produce behavior?
A. The situation often initiates behavior. B. Processing information in a "black box" is generally considered a myth. C. Cognitive-affective units are equally accessible from memory. D. Behavior becomes automatic when conscious attention is focused on it.