Exam 2: A: Brain and Behavior

According to the "broken mirrors" hypothesis,which of the following disorders that involves impaired social interaction and communication may arise in infants whose mirror neuron system has been damaged by genetic defects or environmental risk factors?

After a "split-brain" operation,most people

You are running the water for your bath and place your hand under the faucet to "feel" and adjust the temperature of the water.The temperature of the water registers in which brain area?

Which gland is associated with body rhythms and sleep cycles and secretes the hormone melatonin?

After a nerve impulse occurs,the neuron is temporarily less likely to fire because

A detective is shot and suffers brain damage.He is unable to store new memories,so he must relearn information each day from photographs and notes as he tries to find the criminal that shot him.The part of his brain that was most likely damaged was the

Weeks after an automobile accident,a friend continues to have difficulty maintaining balance and coordinating movements.You should suspect that damage may have occurred to the

Neurons "talk" to each other chemically when which of the following are released?

Which of the following changes would you expect to occur in someone whose parietal lobes were damaged in an accident?

Because of his abuse of drugs,Miguel gets "stuck" on mental tasks and repeats the same answers over and over again,even when the answers are wrong.His abuse of drugs most likely caused damage to his __________ lobes.

Ellie had a right hemisphere stroke.During her rehabilitation period,her family and the hospital staff noticed that she placed all articles on the right side of the dresser and did not notice an article if it was placed on the left side until it was brought to her attention.Even when eating,she tended to eat the food items on the right side of the plate before she even noticed food items on the left side.Ellie was exhibiting

When you see an attractive person sit down next to you on the bus,the mad pounding of your heart is under the influence of the __________ nervous system.

The cell body of a neuron is also called the

Which of the following is a network of fibers and cell bodies that lie inside the medulla and brainstem and is associated with attention,alertness,and some reflexes,such as sneezing and coughing?

During a negative after-potential,there is an outward flow of which of the following from the axon?

Neuroscientists speculate that newborn humans (and monkeys)are able to imitate others because networks of specific types of neurons are activated when an infant watches someone perform an action with this same network being used to perform that action.These specific types of neurons are called __________ neurons.

Nerve cell bodies and dendrites are not the only locations sensitive to neurotransmitters.Receptor sites can also be found on

Juan's physician has told him that he wants him to take a test that will give a three-dimensional representation of Juan's brain.This procedure will require Juan to be placed in a strong magnetic field.The test being discussed is the

A researcher places an electrode in a cat's limbic system,which he activates.The cat suddenly jumps up,runs to the corner,and prepares to attack.What part of the limbic system was most likely stimulated?

Multiple sclerosis is a disease in which the immune system attacks and destroys