The flow of information within a neuron is _____, whereas the flow of information between neurons is _____.
A) mechanical; electrical
B) chemical; electrical
C) electrical; chemical
D) direct current; alternating current
C) electrical; chemical
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In twin studies the key comparison involves determining how many pairs of twins either have the same disorder or are free of the disorder; this involves the calculation of
a. discordance rates. b. concordance rates. c. shared environment rates. d. nonshared environment rates.
Visual accommodation involves the ability of the _____ of the eye to change shape and bring objects into focus
a. retina b. lens c. iris d. fovea
Chapter 1 of your textbook ends with a discussion about the five themes of this book. According to this discussion,
a. cognition is generally not very accurate. b. cognition typically emphasizes both top-down and bottom-up processing. c. children typically emphasize top-down processing, but adults typically emphasize bottom-up processing. d. cognition is typically more accurate for negative information than for positive information.
_____ are defined as specific events or chronic pressures that place demands on a person or threaten a person's well-being.
A) Stressors B) Fight-or-flight stimuli C) Stresses D) Anxieties