A positron emission tomography (PT) scan provides information about
a) structural damage to the brain.
b) biochemical changes in the brain.
c) interneuronal electrical activity in the limbic system.
d) extent of neuronal connections across the hemispheres.
b
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Rebecca is a college graduate who has made decisions about her long-term goals, although her goals are quite different from her parents' expectations for her. What does research tell us about where she may be in terms of Erikson's view of development?
a. Rebecca probably is an identity achiever who is confident in social interactions. b. Rebecca is probably in an identity moratorium and will therefore remain there until she finds a job. c. Rebecca has probably reached a level of identity characterized by a high degree of generativity. d. Like most college students, Rebecca has delayed the establishment of an identity, and it shows in her impulsive behavior.
According to a study by Domenech-Abella and others, which of the following is linked to increased risk of earlier death in older adults?
low socioeconomic status frequent travel high physical activity delayed marriage