Biological Bases of Behavior

Question 1

Space or gap between the schwann cells

Answer 1

Node of Ranvier

Question 2

Action potential

Answer 2

information is transmitted along the axon of a neuron

Question 3

reduction in the absolute value of membrane potential. if this reaches the threshold, an action potential will be created and the neuron will fire

Answer 3

depolarization

Question 4

Saltatory conduction

Answer 4

propagation of the chemical signal down the neuron from one node to the next

Question 5

repolarization and hyper polarization

Answer 5

returns the membrane potential from positive to negative

Question 6

Neurotransmitters

Answer 6

chemical messengers manufactured by a neuron. Best known: Endorphins.

Question 7

dopamine

Answer 7

involved in movement and thought process.

Question 8

what is dopamine associated with

Answer 8

parkinson’s disease and schizophrenia

Question 9

Serotonin functions

Answer 9

Emotional state and sleep

Question 10

Serotonin associated with

Answer 10

Depression
Anxiety
OCD

Question 11

Norepinephrine functions

Answer 11

arousal, learning and memory

Question 12

acetylcholine is linked to

Answer 12

Alzheimers disease

Question 13

psychoactive drug has an

Answer 13

inhibitory or excitatory effect on the nervous system

Question 14

Agonists drugs

Answer 14

mimic the effect of the neurotransmitter

Question 15

Antagonists are drugs that

Answer 15

inhibit the effect of the neurotransmitter

Question 16

an antidepressant drug that works as an agonist of serotonin

Answer 16

prozac

Question 17

spinal cord deals with

Answer 17

involuntary or reflex actions

Question 18

the brain is required for

Answer 18

voluntary movements

Question 19

peripheral nervous system

Answer 19

connects the cns with the rest of the body through nerves. carries incoming messages to your brain and outgoing signals to your bodys muscles and glands

Question 20

carries into to the CNS and send Voluntary signals to your muscles. allows communication with the outside world

Answer 20

somatic division

Question 21

carries info to the CNS and sends voluntary signals to your muscles. regulates digestion, respiration, sleep, and other vital functions

Answer 21

Autonomic division of the PNS

Question 22

a system of hormones that carries messages through different glands

Answer 22

Endocrine system

Question 23

Hypothalamus

Answer 23

receives signals and propagates the endocrine response. alows us to sense a need like hunger or thirst

Question 24

pituitary gland

Answer 24

master gland

regulates the activity of other glands like the hypothalamus

Question 25

thyroid controls

Answer 25

metabolism

Question 26

located at the top of the kidneys. secrete hormones that cause fight or flight

Answer 26

Arenal Glands

Question 27

pituitary secretes

Answer 27

oxytocin growth hormone Prolactin (milk production)

Question 28

sympathetic nervous system

Answer 28

flight or fight

Question 29

parasympathetic

Answer 29

return to homeostasis

Question 30

tools for brain research

Answer 30

EEG PET CT MRI

Question 31

Medulla controls

Answer 31

vital life function: breathing, circulation, swallowing

Question 32

Pons

Answer 32

Contains axons that cross from one side of the brain to the other. responsible for sleep, walking, and dreaming

Question 33

cerebellum is responsible for

Answer 33

coordinating fine muscle movement and maintaining posture and equilibrium

Question 34

runs through the center of the midbrain. helps regulate attention, arousal, and sleep

Answer 34

Reticular formation

Question 35

Thalamus

Answer 35

receives input from all of the senses, except smell

Question 36

hippocampus

Answer 36

new memories

Question 37

amygdala

Answer 37

production and regulation of emotion. Aggression, fear, disgust

Question 38

Left hemisphere

Answer 38

``` controls muscles for speech controls movements spontaneity memory for words and numbers understanding speech and writing ```

Question 39

Right Hemisphere

Answer 39

``` response to commands memory for shapes memory for music understanding spatial relationships understanding images ```

Question 40

corpus Callosum

Answer 40

connects the brains hemispheres

Question 41

responsible for abstract thought and emotional control

Answer 41

frontal lobes

Question 42

parietal lobes

Answer 42

receive and interpret bodily sensations

Question 43

temporal lobes

Answer 43

process incoming sensory info from the ears. contain Wernickes area

Question 44

Occipital lobes responsible for

Answer 44

vision and visual perception

Question 45

Chain of cells that propagates the nervous signal

Answer 45

Schwann Cell