Which of the following areas of the brain is NOT increased in activity in individuals suffering from PTSD?

Eidence that prehistoric man had some idea of the importance of the brain in mediating human behavior comes from

a) evidence of trephination b) early writings preserved by the Greeks c) religious practices d) none of the above

Dr. Mabote wants to determine if a group of participants reading under incandescent light

will read more pages of text in one hour than a group of participants reading under fluorescent light. She assigns students sitting at the front of the class to be in the "incandescent light" condition and students at the back of the class to be in the "fluorescent light" condition. In this experiment seating location is a. the independent variable. b. the dependent variable. c. a confounding variable. d. a valid variable. e. an operational definition.