Unit 3 Vocabulary (Parts Of Brain)

Question 1

Acetylcholine

Answer 1

Attention, learning, muscle action, memory

NEUROTRANSMITTER

Question 2

Action potential

Answer 2

Fast charge to fire axon

Question 3

All or none law

Answer 3

Full strength or nothing

Question 4

Amygdala

Answer 4

Center for emotions (anger, anxiety…), motivation and recognizing facial emotions

Question 5

Angular gyrus

Answer 5

Combines parietal and temporal lobes

Question 6

Association areas

Answer 6

Connects sensory and motor areas

Question 7

Axon

Answer 7

Branch to pass messages on neuron

Question 8

Blood brain barrier

Answer 8

Separates blood from brain

Question 9

Behavioral genetics

Answer 9

Study of genetics effecting behavior

Question 10

Cell body

Answer 10

Brain of neuron, dendrites -> axon

Question 11

Central nervous system

Answer 11

The brain and spinal cord

Question 12

Cerebellum

Answer 12

Controls balance, posture, and precise motions

Question 13

Cerebral cortex

Answer 13

Information processing in 4 loves

Question 14

Chromosomes

Answer 14

DNA molecules containing genes

Question 15

Corpus Callosum

Answer 15

Connects hemispheres

Question 16

Computet tomography scan

Answer 16

CT-> cut (with x-rays)

Show structure

Question 17

Dendrites

Answer 17

Receive messages on neuron

Question 18

Deoxyribonucleic acid

Answer 18

Molecule with instructions to make life

Question 19

Electroencephalogram

Answer 19

EEG-> energy

Électrodes measure energy waves

Question 20

Endocrine system

Answer 20

Secrete hormones, slow version of CNS

Question 21

Endorphins

Answer 21

Brains natural painkiller

Question 22

Forebrain

Answer 22

Anterior part of the brain

Question 23

Fraternal twins

Answer 23

Twins from two eggs

Question 24

Frontal lobes

Answer 24

Higher level thinking, cerebral cortex

Question 25

Functional magnetic resonance imaging

Answer 25

Multiple MRIs to show blood flow

Question 26

Gene

Answer 26

Segments of DNA, heredity codes

Question 27

Genotype

Answer 27

Determines specific characteristic

Question 28

Glial cells

Answer 28

Hold together myelin sheath (on axon)

Question 29

Heritability

Answer 29

How much we can blame genes for variations

Question 30

Hindbrain

Answer 30

Lower part of brain stem

Question 31

Hippocampus

Answer 31

Process and store memories

Question 32

Homeostasis

Answer 32

Maintaining a balanced internal state

Question 33

Hormone

Answer 33

Chemical messengers in endocrine system

Question 34

Hypothalamus

Answer 34

Directs maintenance works with pituitary

Question 35

Identical twins

Answer 35

Twins from one egg

Question 36

Interneurons

Answer 36

Turn afferent into efferent

Question 37

Lesion

Answer 37

Destruction of brain tissue

Question 38

Limbic system

Answer 38

Center of brain, emotions

Question 39

Magnetic resonance imaging

Answer 39

Magnetic fields used to show brain anatomy

Question 40

Medulla

Answer 40

Control heartbeat and breathing

Question 41

Midbrain

Answer 41

Brain stem and hypothalamus

Question 42

Motor cortex

Answer 42

Controls voluntary movements

Question 43

Motor neurons

Answer 43

Efferent -> sends signals to muscles/ glands

Question 44

Myelin sheath

Answer 44

Segments of tissue keeping message in axon

Question 45

Natural selection

Answer 45

Survival of the fittest

Question 46

Nature vs. nurture

Answer 46

Controversy between genes and environment

Question 47

Neurons

Answer 47

Building block of nervous system

Question 48

Neurotransmitters

Answer 48

Chemical messengers that cross synapse

Question 49

Occipital lobes

Answer 49

Visual comprehension cortex

Question 50

Peripheral nervous system

Answer 50

Neurons that connect to CNS

Question 51

Phenotype

Answer 51

Organism’s observable characteristics

Question 52

Phrenology

Answer 52

Study of bumps on head

Question 53

Pituitary gland

Answer 53

Works with brain and controls endocrine

Question 54

Pons

Answer 54

Brain stem-Helps control movement

Question 55

Position emission tomography

Answer 55

Radioactive glucose highlights brain activity

Question 56

Receptors

Answer 56

Receives neurotransmitters to send messages

Question 57

Resting potential

Answer 57

Neuron is ready to fire

Question 58

Reticular formation

Answer 58

Nerve network controls arousal

Question 59

Sensory neuron

Answer 59

Afferent -> Takes messages to brain

Question 60

Somatic nervous system

Answer 60

Controls the body’s skeletal muscles

Question 61

Spinal cord

Answer 61

Nerve fibers in spine

Question 62

Sympathetic nervous system

Answer 62

Fight – or – flight mobilizes body

Question 63

Synapse

Answer 63

Space between nerves

Question 64

Temporal lobes

Answer 64

Auditory comprehension lobes

Question 65

Thalamus

Answer 65

Sensory control center