In a study on the biological bases of learning, lab rat A is given a drug that blocks dopamine activity in its brain. Thereafter, the rat is placed in an operant chamber where a lever-pressing task is shaped through positive reinforcement. We should expect that:
A. the rat will have more difficulty learning the task than a normal rat.
B. the rat will have less difficulty learning the task than a normal rat.
C. the rat will have the same amount of difficulty learning the task as a normal rat.
D. the rat will have more difficulty learning the task than a rat that is being negatively reinforced.
-the rat will have more difficulty learning the task than a normal rat.
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Attitudes are _____ or derived from cognitive processes
Fill in the blank(s) with correct word
Jess is a few days old and already responds to his mother's voice and the book she read him in the last weeks of her pregnancy. This is an example of how in utero, the fetus acquires
a. visual information about the external environment through patterns of light and dark. b. little auditory information beyond the mother's heartbeat. c. auditory information about the mother's voice and the cadence of sound. d. little sensory information and therefore does not learn until after birth.
The universality hypothesis of __________ supposes that facial expressions are understood across all cultures
a. Carl Lange b. William James c. Paul Ekman d. Charles Darwin
Between early childhood and adolescence, the brain eliminates about how many of its synapses?
a. one third b. one fourth c. one tenth d. one twentieth