Why is it that every axon in an adult mammal has a target cell (muscle cell or other neuron) with which it makes synaptic contact?
a. Each target cell causes the growth of a neuron and its axon
b. After formation, axons release a chemical that causes a target cell to form.
c. Axons that fail to find a target cell die.
d. An axon will make contact with any kind of cell and adjust its function as necessary.
c
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Research on habits shows that if you want to break a habit it helps to____
a. stay in your routine to keep your arousal level lower b. change your routine to raise your arousal level c. stay in your routine to maintain social support cues d. change your routine to alter the stimulus cues that support the habit
The brain is not able to grow new neurons.
Answer the following statement true (T) or false (F)
Children of all ages and all cultures are particularly interested in
a. babies. c. objects in the sky. b. animals. d. moving toys.
The imaginary audience phenomenon is based on the lack of distinction between adolescents' thoughts about themselves and
a. their actual IQ scores. b. how media portrays their age group. c. how they act in public. d. others' thoughts about them