The __________ states that a weak synapse will be strengthened if its activation occurs at the same time that the postsynaptic neuron fires.
A. all-or-none principle
B. law of effect
C. perforant path hypothesis
D. Hebb rule
Answer: D
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Which statement about research on the genetics of schizophrenia is accurate?
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What is the evidence that hearing begins well before birth?
a. ?Fetuses as young as 6 months move more often when their mothers’ speak than in response to a stranger’s voice. b. ?Hours after birth, newborns begin to curl their tongues in preparation for generating specialized sounds. c. ?Newborns as young as 2 days old recognize their mother’s voice. d. ?Ultrasound waves stimulate the auditory nerve in fetuses as young as 7 months.
Because Karen and Reliford are both affected simultaneously by events in each other’s lives, they are ____
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