When the CS no longer elicits the CR, spontaneous recovery has taken place.
Answer the following statement true (T) or false (F)
False
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What is problematic about using the dictionary definition approach to concept formation?
A. This approach results in too many exceptions. B. This approach leads to unclear boundaries between concepts. C. This approach typically does not provide enough needed information. D. This approach provides typically provides more information than needed.
Damage to the substantia nigra would be expected to produce __________.
A. difficulties in emotional expression B. changes in food preferences and body weight gain C. blindness. D. Parkinson's-like motor symptoms
Which of the following is the most important in the physiological control of sleep?
a. brain circuits and brain chemicals b. the somatic nervous system c. external markers for sleep and wakefulness d. sleep-promoting substances in the blood stream
The ectoderm becomes the ________.
A. muscles and skeleton B. nervous system and skin C. circulatory system and other internal organs D. digestive system and lungs