Neuroscience

Question 1

Dendrites

Answer 1

Where neurons receive signals from other cells

Question 2

Axon

Answer 2

Where neurons are sent through
Connect cell body to terminal branches
Carry message away from cell body

Question 3

Myelin sheath

Answer 3

Surround and protect axon

Question 4

Action potential

Answer 4

Short electrical charge that travels down axon

Question 5

Multiple sclerosis

Answer 5

Disease in which immune system eats away at the protective covering of nerves
Degeneration of myelin sheath

Question 6

Depolarization

Answer 6

Creates action potential

Question 7

Synapse

Answer 7

Junction btw a sending and receiving neuron

Question 8

Neurotransmitter

Answer 8

Each travel a designated path in the brain and has a particular effect on behavior and emotions
Released into junctions btw neurons

Question 9

Phrenology

Answer 9

Founded by franz guel

Early theory that bumps on skull reveal ability and traits

Question 10

Neural impulse

Answer 10

All or none response

Myelin sheath speeds it up

Question 11

Nervous system

Answer 11

Body’s SPEEDY electrochemical system

Question 12

Inter neurons

Answer 12

Send info from spinal cord to brain within CNS

Question 13

Sensory neurons

Answer 13

Carry info to CNS

Question 14

Motor neurons

Answer 14

Part of peripheral ns

Carry info from CNS to muscles and glands

Question 15

Sympathetic NS

Answer 15

Transports messages from spinal cord to stomach

Question 16

Knee jerk reflex

Answer 16

Controlled by interneurons in SPINAL CORD

Question 17

Neural networks

Answer 17

Inter connecting clusters of neurons in the CNS

Question 18

Hormones

Answer 18

Chemical messengers of endocrine system

Question 19

Endocrine glands

Answer 19

Secrete hormones directly into bloodstream

Question 20

Lesion

Answer 20

Surgical destruction of brain tissue

Question 21

MRI

Answer 21

Uses medical fields and radio waves to produce computer generated images of soft tissue
Ex: can detect areas of brain fluid in schizophrenic

Question 22

PET

Answer 22

A visual display of brain activity that detects where a radioactive form of glucose goes when brain performs a given task

Question 23

EEG

Answer 23

Electric activity

Question 24

Old brain

Answer 24

Brain stem->limbic system->cortex

Question 25

Reticular formation

Answer 25

Involved with arousal and alertness

Question 26

Brain stem

Answer 26

Deepest/oldest brain structure

Question 27

Medulla

Answer 27

If destroyed life is threatened bc medulla controls heartbeat and breathing

Question 28

Amygdala

Answer 28

Linked to emotion

Question 29

Angular gyrus

Answer 29

Transforms visual representation into auditory code

Question 30

Hippocampus

Answer 30

Processss memory

Question 31

Corpus callosum

Answer 31

Transmits info from one hemisphere to another

Question 32

Thalamus

Answer 32

Brains sensory switchboard located on top of brain stem | Involved with physical pleasure

Question 33

Limbic system

Answer 33

Associated with emotions and drives for food and sex | Associated with addictive drug cravings

Question 34

Cerebellum

Answer 34

Little brain | Balance coordination

Question 35

Cerebral cortex

Answer 35

Conscious awareness

Question 36

Motor cortex

Answer 36

Rear of frontal lobes | Controls voluntary movement

Question 37

Sensory cortex

Answer 37

Sense of touch*

Question 38

Broca's area

Answer 38

Controls muscle movement involved in speech

Question 39

Wernickes area

Answer 39

Language reception - INVLOVED in language comprehension and expression

Question 40

Plasticity

Answer 40

When one area of the brain can take over for another part of the brain that is damaged *children

Question 41

Laterization

Answer 41

Hemispheric specialization

Question 42

Aphasia

Answer 42

Impairment of language (ex:some can read can't write, some can sing not speak)

Question 43

Association areas

Answer 43

``` Cortical regions (cortex) Not directly involved in sensory or motor function ```

Question 44

Left handedness

Answer 44

Genes or pre natal factors play a role in handedness

Question 45

Occipital lobes

Answer 45

Receive visual info

Question 46

Parietal lobss

Answer 46

Touch and body position

Question 47

Frontal lobes

Answer 47

Muscle movement, making plans, judgments, speaking

Question 48

Glial cells

Answer 48

Support , nourish and protect neurons

Question 49

Hypothalamus

Answer 49

Link btw NS and endocrine system

Question 50

Temporal lobes

Answer 50

Receive auditory info from opposite ear