Exam 2: The Role of Biology in Psychology

Marco has great difficulty walking.His doctor told him that this was due to a decreasing amount of a neurotransmitter in his brain.Which of the following neurotransmitters would be likely to cause this difficulty?

Which specialized area of the brain is crucial to the production of speech?

A child gets a severe blow to the head from an accident.Although her eyes are still fully functional,she can no longer see.Based on this information,her doctor determines that the brain area most likely damaged in the accident is the ________ lobes.

Nasim is driving on a snow-covered road,and her car begins to slide.The quick behavioral response and the increased heart rate and respiration she experiences are most likely due to the ________ nervous system.The feeling of relief and decrease in heart rate and respiration once she has the car under control again are most likely due to the ________ nervous system.

Miranda is working in a laboratory and comes across a rat that is grossly overweight and seems unable to stop eating.The researcher tells Miranda that the rat has a brain lesion.Which part of the forebrain most likely has the lesion?

Lionel has Parkinson's disease and has difficulty starting motor movements because the neurons involved with dopamine activity are

A myelin sheath is a fatty layer that protects the axon,so it is most like the

Doctors finally understood why a child had difficulty sleeping.They discovered that she had a large tumor located in the part of her hindbrain called the

Lisa has problems sleeping,so she goes to a sleep clinic.At the clinic the researchers measure her brain's electrical activity as she sleeps by using the technique of

Regarding the factors potentially influencing behavior,which of the following statements is true?

Information travels from our sensory receptors to the ________ in the brain,which relays it to the cortex.

Your nervous system allows you to do all of the following EXCEPT

The brain structure that connects the two hemispheres of the cerebral cortex is called the

One part of the neuron covers and protects it much like bark that covers the trunk of a tree.In a neuron this protective covering is called

The action of neurotransmitters is ________ by agonists and is ________ by antagonists.

Behavioral geneticists are primarily interested in

Explain the key functions of dopamine.In your answer,be sure to discuss what occurs when there is a lack of dopamine in the brain.

A post office receives lots of incoming mail,organizes it,and then sends it out to various locations.Which part of the brain is a lot like a post office?

The ovaries,testes,and adrenal gland are all part of the ________ system.

A neurotransmitter that is important in muscle contraction is