The human vocal tract is:
A. well-adapted for producing speech sounds but carries an increased risk of choking on food relative to other species.
B. poorly-adapted for producing speech sounds but very well adapted for other biological functions such as swallowing and breathing relative to other species.
C. well-adapted for producing speech sounds and better-adapted than most other species in terms of biological functions such as swallowing and breathing.
D. not particularly well-adapted for either speech or biological functions such as swallowing or breathing.
A
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Evolutionary theory maintains that intergroup conflict leads to increases in intragroup cohesion.
a. True b. False
Loss of orexin-containing neurons in the hypothalamus may contribute to ____
a. sleep apnea b. narcolepsy c. insomnia d. periodic limb movement disorder
Individual psychology is the theory of
a. Sigmund Freud. c. Alfred Adler. b. Raymond Cattell. d. John Watson.
"Associativity" in the Hebbian synapse refers to the
A. use of the same type of neurotransmitter in both the pre- and postsynaptic neurons. B. simultaneous activity of several synapses on the same postsynaptic neuron. C. nearly simultaneous activity of the pre- and postsynaptic neurons. D. ability of the postsynaptic cell to use retrograde messengers such as nitric oxide (NO) to communicate with the presynaptic cell.