Psychology - Unit test #1 - Chap 2
________ intensifies most emotions and is central to the experience of fear and anxiety
Epinephrine
intense fear and immidiately become alert and lam on breaks hard when someone pulls out infront of you-- which hormone is responsible for this reaction
Epinephrine
best describes association areas
areas of the cerebral cortex that are not primarily involved in sensation or motor activity
Which of the following causes Down syndrome?
The presence of an extra chromosome on the 21st pair
WHich of the followingis a likely consequence of low thyroxin secretion in adults
they feel tired ans sluggish and may put on weight
context of the brain's language functions, identify the correct statement
those with wernicke's aphasia usually speak freely and with proper syntax
CAT - Computerized axial tomography
x-ray beam through the head and measures the structures that reflect the beams from various angles, enabling a computer to generate a three-dimensional image
pituitary hormones regulates the adrenal cortex
Adrenocorticotrophic hormone
brain injures, difficulty in communication, responses are slow and laborious she understands what others are saying though, sentences are incomplete with grammatical words missing - what best reflects her case?
Broca's aphasia
_____ relatives have a genetic overlap of about 50%
First-degree
defines one's nature, which is based on biological structures and processes
Heredity
Which of the following is a function of norepinephrine
It is involved in general arousal and learning and memory
hormone helps with sleeping - when the sleeplessness is caused by deficiency of a particular hormone - what hormone is it?
Melatonin
Someone steps on your foot and you have an immediate sensation of pain - the sensation was transmitted via the spinal cord to the brain through _______
afferent neurons
The _____ refers to the fact that a neuron fires an impulse of the same strength whenever its action potential is triggered
all-or-none principle
purpose of a split brain operation
confine seizures to one hemisphere of the cerebral cortex
Being left-handed has been associated with an above average probability of having _____
dyslexia
nucleotides found along just one of the rungs of a molecular ladder
genetic code
related to one's genotype
nature
imbric system
people with hippocampal damage cannot permanently store new information
represents an interaction of one's nature and nurture
phenotype
the _____ lies below the hypothalamus and is dubbed the "master gland"
pituitary gland
function of the medulla of the brain
plays roles in sleeping, sneezing, and coughing
Executive center of the brain - decisions are made to keep information in working memory and to solve problems
prefrontal cortex
refers to a time when neuron is insensitive to messages from other neurons and does not fire
refractory period
which of these is a function of prolactin
regulates maternal behavior in lower mammals such as rats
neurotransmitters involved in emotional arousal and sleep
serotonin
neuron relays its messages to another neuron acros a juntion called...
synapse
diffeence between thalamus and hypothalamus
thalamus serves as a relay station for sensory stimulation, whereas the hypothalamus controls the regulatio nof body temperature, concentration of fluids, storage of nutrients, and motivation and emotion
