Studies have estimated the prevalence of anorexia among adolescents at ____

LeDoux's research with rats suggests that fear can occur without the involvement

of the "higher" parts of the brain. This conclusion is the result of the fact that LeDoux lesioned the ___________ and the rats still showed conditioned fear, but when he lesioned the __________, the rats showed no conditioned fear at all. (a) amygdala; auditory thalamus (b) auditory thalamus; auditory cortex (c) corpus callosum; auditory cortex (d) auditory cortex; auditory thalamus

Researchers in __________ analyze the relative effects of genes and environmental factors on behavior and mental processes

a. the Human Genome Project b. psychobiology c. behavioral genetics d. developmental psychology