PSY 321 Exam 2 questions with correct answers
According to the textbook, which of the following is the best description
of the casual link between biological processes and social behavior?
Correct Answer-Biological processes and social behavior are both
causes and effects of each other
Which part of the brain is the most distinct from the brains of non-
human animals? Correct Answer-Frontal cortex
One problem researchers experiences when attempting to directly link
testosterone to aggression and sexuality is that ... Correct Answer-It is
difficult to determine the casual direction because aggression and sex
can affect its testonerone levels
Which substance is associated with the fight or flight response? Correct
Answer-Epinephrine
High levels of cortisol appear to be associated with ____________, and
low levels of cortisol appear to be associated with _________ Correct
Answer-Stress, anxiety, and depression; impulsivity and attention
seeking
Which brain region is associated with competing mismatches between
expected and actual states of the world? Correct Answer-Anterior
cingulate
,What system is associated with Carpgras syndrome? Correct Answer-
Failure to feel an emotion towards loved ones
Dendrites Correct Answer--Receive stimulation
- afferent nerves
~messages travel up the dendrites to the brain to report what the body is
feeling and doing
Axons Correct Answer-- pass the message on
- efferent nerves
~ send impulses and instruction from the central nervous system back to
the muscles
Hypothalamus Correct Answer-Important because it is connected to just
about everything else
Hippocampus Correct Answer-Processing memories
Neocortex Correct Answer-Most distinctive part of human brain
Frontel Lobes Correct Answer-Ability to plan ahead and to anticipate
consequences (aspects of emotional experience .... empathy, and moral
reasoning)
, Areas of Substancia Niagra Correct Answer-Closely associated with
neurotransmitters of dopamine, norepinephrine, and serotonin which are
involved with levels of depression
EEG (electroencephalography) Correct Answer-Electrodes are placed on
scalp to pick up electrical signals generated by the brain activity
underneath
MEG (magentoencephalography) Correct Answer-Uses delicate sensors
to detect magnetic indications of brain activity
PET Scan(Positron emission tomography) Correct Answer-Creates a
map of brain activity by following the location of a harmless radioactive
tracer injected into the bloodstream
fMRI (functional magnetic resonance imaging) Correct Answer-
Monitors magnetic pulses generated by oxygen in the blood to map
where the brain is most active at a given moment
ARAS (ascending regular activating system) Correct Answer-- open and
close the channels of information and stimulation that flows into the
brain
- this is the basis of the difference between introverts and extroverts
- a person whose open wide ARAS causes chronic overarousal is an
introvert
- a person whose more closed ARAS causes chronic underarousal is an
extrovert
According to the textbook, which of the following is the best description
of the casual link between biological processes and social behavior?
Correct Answer-Biological processes and social behavior are both
causes and effects of each other
Which part of the brain is the most distinct from the brains of non-
human animals? Correct Answer-Frontal cortex
One problem researchers experiences when attempting to directly link
testosterone to aggression and sexuality is that ... Correct Answer-It is
difficult to determine the casual direction because aggression and sex
can affect its testonerone levels
Which substance is associated with the fight or flight response? Correct
Answer-Epinephrine
High levels of cortisol appear to be associated with ____________, and
low levels of cortisol appear to be associated with _________ Correct
Answer-Stress, anxiety, and depression; impulsivity and attention
seeking
Which brain region is associated with competing mismatches between
expected and actual states of the world? Correct Answer-Anterior
cingulate
,What system is associated with Carpgras syndrome? Correct Answer-
Failure to feel an emotion towards loved ones
Dendrites Correct Answer--Receive stimulation
- afferent nerves
~messages travel up the dendrites to the brain to report what the body is
feeling and doing
Axons Correct Answer-- pass the message on
- efferent nerves
~ send impulses and instruction from the central nervous system back to
the muscles
Hypothalamus Correct Answer-Important because it is connected to just
about everything else
Hippocampus Correct Answer-Processing memories
Neocortex Correct Answer-Most distinctive part of human brain
Frontel Lobes Correct Answer-Ability to plan ahead and to anticipate
consequences (aspects of emotional experience .... empathy, and moral
reasoning)
, Areas of Substancia Niagra Correct Answer-Closely associated with
neurotransmitters of dopamine, norepinephrine, and serotonin which are
involved with levels of depression
EEG (electroencephalography) Correct Answer-Electrodes are placed on
scalp to pick up electrical signals generated by the brain activity
underneath
MEG (magentoencephalography) Correct Answer-Uses delicate sensors
to detect magnetic indications of brain activity
PET Scan(Positron emission tomography) Correct Answer-Creates a
map of brain activity by following the location of a harmless radioactive
tracer injected into the bloodstream
fMRI (functional magnetic resonance imaging) Correct Answer-
Monitors magnetic pulses generated by oxygen in the blood to map
where the brain is most active at a given moment
ARAS (ascending regular activating system) Correct Answer-- open and
close the channels of information and stimulation that flows into the
brain
- this is the basis of the difference between introverts and extroverts
- a person whose open wide ARAS causes chronic overarousal is an
introvert
- a person whose more closed ARAS causes chronic underarousal is an
extrovert
