Exam 3: Neuroscience and Behavior-Part C

Genes are sections of strands of DNA that code for specific traits.

After his corpus callosum was severed to treat a seizure disorder,Phineas Gage experienced a progressive decline in personality and emotional stability.

A person with damage to Broca's area will have problems understanding language.

Bipolar cells are specialized neurons found in the cerebellum.

Amphetamine stimulates the release of norepinephrine and dopamine.

fMRI scans can be used to determine cause and effect between brain activity and behavior.

The temporal lobe contains the somatosensory cortex.

Jenkins rapidly swivels his head to the sound of a car backfiring down the street,a behavior made possible by his tectum.

Damage higher on the spinal cord usually results in more severe impairment.

A heritability coefficient of 1.0 for a trait indicates that the environment cannot explain any of the observed variability in that trait.

The body of the cell containing its nucleus is termed the axon.

The frontal lobe processes auditory information into meaningful units.

Beta blockers are antagonists for the neurotransmitter acetylcholine.

The thalamus regulates hunger,thirst,and sexual behavior.

Of the three major types of neurons,the majority of the neurons in the nervous system are interneurons.

Lesions to some areas of the hypothalamus result in a loss of interest in food.

If you ever find yourself being chased by a crazed axe murderer,your parasympathetic nervous system will trigger an increase in heart rate and provide your muscles with more oxygen such that you can run faster and longer.

Given that the heritability for trait Q in a population of people with gene Z is .80,a person with gene Z has an 80% chance of having trait Q.

Dizygotic twins result when a single fertilized egg splits into two.

Lesions to some areas of the hypothalamus result in overeating.