The male sex hormone testosterone
a. increases sexual interest in males and females.
b. increases sexual interest in males and reduces it in females. c. reduces sexual interest in females and males.
d. increases sexual interest in females and reduces it in males. e. has no effect on sexual interest.
a
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Long-term potentiation (LTP) is a process that takes place while we sleep, thus allowing __________ from the day to get strengthened
a. impulses b. muscles c. memories d. neurotransmitters
Which of the following is consistent with the doctrine of specific nerve energies?
A) Electrical stimulation of a sensory nerve cannot evoke a specific sensation. B) All nerves carry a similar electrical message. C) Exerting pressure on the eyeball can evoke pain. D)Each brain area receives signals from all sensory systems. . E) .Visual signals are carried by very large action potentials whereas tactile signals are carried by tiny action potentials.