Q1 Test#1 Biological Bases of behavior
How does acetylcholine function?
By amplifying and inhibiting signals
What happens when someone has a stroke?
The blood doesn't reach part of their brain.
What does the term neuroplasticity refer to?
The brain adjusting to damage or changing based on new abilities.
Which of the following do biopsychologists study?
The relationship between brain activity and mental states.
an example of Neuroplasticity is
a blind person have a heightened sense of smell
what field is not closey related to biopsychology
all are
A deficiency in acetylcholine may cause which one of the following conditions?
alzheimer's
What are neurotransmitters?
chemical messengers that transfers impulses between cells
A neurotransmitter is a type of _____.
chemical signal
What substance breaks down acetylcholine and removes it from the synapse?
cholinesterase
What do we call the process by which enzymes break down excess neurotransmitters?
degradation
The part of the neuron that receives signals is called a _____.
dentries
According to biopsychology, eating disorders _____.
have biochemical triggers
why is the case about phineas gage isnt very denfintive
his past wasnt well known
Where is the majority of serotonin found in the human body?
in the intestine
another way that biopsychology is encounter by people is
injury
How can playing a musical instrument impact the brain?
it can increase the size of your temporal lobe
what function does dopamine have in the human body
it regulates emotional responses hormone secretion,motorication and reward sensation
the system that is responsible for telling your brain that your food has arrive is
nervous system
An action potential occurs when
neural impulse travels along an axon
The all-or-none law states that:
neurons must fire a signal once it starts
During a refractory period
neurons remove sodium ions
Generally, antidepressants work by increasing the brain's concentration of which of the following?
neurotransmitter
Serotonin, norepinephrine and dopamine are all examples of which of the following?
neurotransmitter
What do you call a chemical messenger that sends a signal across the synapse between neurons?
neurotransmitter
These are chemical messengers within the brain that allow nerve cells to communicate with each other.
neurotransmitters
What do we call chemicals that carry messages between cells in the nervous system?
neurotransmitters
What does acetylcholine do?
regulates rem sleep
What do we call it when the original neuron reabsorbs excess neurotransmitters?
reuptake
this newer type of antidepressant inhibits the reuptake of serotonin back to the first communicating
ssris
What do we call the gap between neurons?
synapse
When a neuron fires, where does it send the neurotransmitters?
synapse
this older type of antidepressant that works by increasing the concertration of norepine and serotonin
tca's
Human behaviors and feelings are primarily controlled by _____.
the brain,nerves and hormones
the following is correct regarding the interaction between dopamine and serotonin
they have a contradicting function and can balance eachothers effects on mental health
What are the symptoms people with Broca's aphasia have?
they have diffilculty speaking
a person who has broca's aphasia.what can help them recover lost abilites
treatment,rehabilitation and time
Low levels of dopamine in body are associated with _____.
vulnerability to addictions
