When an individual is awake but relaxed:
a. Brain waves are desynchronized because activity in different areas of the brain falls into different rhythms.
b. Brain waves are synchronized because activity in different areas of the brain falls into similar patterns.
c. Brain waves consist of very consistent spikes, since there are periods of spontaneous neural firings anytime a person is awake.
d. The EEG is characterized by fast, irregular brain waves.
B
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Wilfred has an identical twin brother who has just been diagnosed with schizophrenia. The odds that Wilfred will develop schizophrenia during his lifetime have:
a. dropped from 1 in 2 to approximately 1 in 10 b. not changed because schizophrenia is not related to genetics c. jumped from approximately 1 in 100 to 1 in 200 d. jumped from approximately 1 in 100 to 1 in 2
The "beginnings of thought" substage of Piaget's sensorimotor period occurs during which age range?
A. 8 to 14 months B. 12 to 14 months C. 12 to 18 months D. 18 to 24 months