Marcella's doctor applies mild electric currents to the skin to alleviate her more agonizing back pain. This is an example of

Psychoactive drugs influence neurotransmission by stimulating, mimicking, or ______ the activity of neurotransmitters

A) synthesizing B) inhibiting C) intoxicating D) dehydrating

A researcher notes that aggression in humans is similar in many ways to aggression in animals (e.g., gorillas, lions, etc.), and hypothesizes that an instinct for aggressive behavior may have been acquired through evolution

Which theoretical view does this hypothesis illustrate? A) information-processing B) ethology C) socioculturalism D) classical conditioning