Sleep spindles appear during stage __________ sleep.
A. N1
B. N2
C. N3
D. R
Answer: B
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Which descriptionmatches up with the symptoms?
a. Sarah hears voices and has minimal interest in social relationships—positive symptoms. b. John thinks his thoughts are being broadcast on TV and has back and forth conversations with voices no one else can hear — negative symptoms. c. Karen believes the FBI is after her and she cannot distinguish between their private thoughts and external reality—delusions. d. Theodore shows decreased ability to initiate actions or speech, express emotions, or feel pleasure—positive symptoms.
Which of the following is a criticism of the James-Lange theory of emotions?
A. People with severed spinal cords still experience emotions. B. The theory is too cognitive to be explanatory. C. Researchers agree that emotions cannot occur without physiological arousal. D. Physiological arousal does not increase the intensity of emotions.
What is an element of crystallized intelligence??
a. ?reaction time b. ?attention c. ?working memory d. ?social responses
Which of the following is a limitation on the cognitive life of children in Piaget's preoperational stage?
a. abstract concepts b. object permanence c. hypothetical thinking d. centration e. animism