Psych Study guide unit 3

Damage to the hippocampus would result in

difficulty making new memories

Activation of the parasympathetic nervous system results in which of the following?

A decrease in heart rate

The depletion of which of the following neurotransmitters is most closely associated with the symptoms of Alzheimer's?

Acetylcholine

What if the brief electrical charge that travels down an axon called?

Action Potential

Electrically stimulating a rat's amygdala would most likely produce which of the following?

Aggression

Which of the following brain structures is most associated with the emotion of fear?

Amygdala

A researcher interested in determining the size of a particular area of the brain would be most likely to use which of the following techniques?

MRI

Which part of the nervous system begins the process for moving the muscles required to walk across the street?

Central Nervous system

A bundle of nerve fibers that interconnects the two brain hemispheres is the

Corpus Callosum

A person with damage to Broca's area would most likely demonstrate which of the following symptoms?

Difficulty with speech production

An individual has been diagnosed with schizophrenia. Which of the following neurotransmitters is most likely to be at fault?

Dopamine

Which of the following neurotransmitters has been linked to Parkinson's disease and schizophrenia?

Dopamine

Which of the following conditions most often results from having an extra copy of chromosome 21?

Down Syndrome

A participant in a study of music perception listens to music with electrodes attached to her scalp...technique?

EEG

Most glands in the human body are a part of which system?

Endocrine

In extreme cases, surgically severing the corpus callosum is a treatment for which of the following conditions?

Epilepsy

A child's sex is genetically determined by the

Father

An individual experiences brain damage that results in an inability to make plans about the future. Which part of the brain is probably damaged?

Frontal Lobe

Which region of the brain plays a significant role in our sense of alertness and arousal?

Hippocampus

Which of the following brain structures has the strongest influence on hunger and satiety?

Hypothalamus

During which task might the right hemisphere of the brain be most active?

Imagining what a dress would look like on a friend

What is the study of how the structure and function of genes interact with our environment to influence behavior called?

Molecular behavior genetics

Metabolic activity in different areas of the brain can best be visualized by means of

PET

Which gland of the endocrine system controls the activity of other glands?

Pituitary

Which is the most influential of the endocrine glands?

Pituitary Gland

An image projected to the left visual field of a split-brained person will be processed in by the

Right visual cortex

What is the purpose of the myelin sheath?

Speed up the transmission of information within a neuron.

Person touches a hand to a hot stove and quickly pulls the hand away, even before sensory info reaches the brain

Spinal reflex

Joel's pupils become dilated, his digestion is reduced, and his skin becomes cold. Which system is controlling

Sympathetic

Which of the following are NOT part of a neuron?

Synapses

What hormone seems to be closely related to aggressive behavior?

Testosterone

Brain plasticity refers to

The ability of brain tissue to take on new functions

Which of the following does a PET scan best allow researchers to examine?

The activity of various brain regions by monitoring glucose usage.

George experienced head trauma. His eyes were functioning normally, but he was unable to see. Which area was affected?

The occipital lobe

Why do researchers study the brains of animals more than humans?

The same principals govern neural functioning in all species.

After sustaining a traumatic injury, Russ is having difficulty comprehending the meaning of words. Area affected?

Wernicke's area

Information is relayed to the spinal cord or the brain by

afferent neurons

Opiate drugs such as morphine are classified as what?

agonists, because they mimic other neurotransmitters' pain-diminishing effects

Difficulty in typing smoothly on a keyboard would most likely result from damage to the

cerebellum

What are the natural, opiate like neurotransmitters linked to pain control?

endorphins

The pituitary gland is controlled by the

hypothalamus

The peripheral nervous system

is the part of the nervous system that does not include the brain and the spinal cord

Which is one of the major criticisms of evolutionary psychology?

it analyzes after the fact using hindsight

Surgical stimulation of the somatosensory cortex might result in the false sensation of what?

someone tickling you

Evolutionary psychologists seek to understand how traits and behavioral tendencies have been shaped by what?

natural selection

take out a monkeys amygdalla and

no more angry

An individual experiences brain damage that produces a coma. Which part of the brain was probably damaged?

reticular formation

The sequence of shifts in the electrical charge of a neuron is called

the action potential