All about the brain Flashcards

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1
Q

Soma

A

Nucleus

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2
Q

Axon

A

Sending impulses down neuron

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3
Q

Myuclin Sheeth

A

Protect cell & Speed up messages

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4
Q

Node of Ranvier

A

Maintains speed

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5
Q

Dendrites

A

Detects messages

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6
Q

Terminal

A

Transmit info

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7
Q

Sensory neurons

A

Sense info (afferent)

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8
Q

Motor neuron

A

Allows us to move (efferent)

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9
Q

Interneuron

A

Spinal cord

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10
Q

Terminal Button

A

Contain synthetic vessels

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11
Q

Synthetic Bessels

A

Hold nerons

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12
Q

Excitatory NT

A

Allows next neuron to fire

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13
Q

Acetylcholine

A

Controls muscle movement, learning, and memory

Too much- muscle weakness
Too little- Alzheimers

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14
Q

Dopamine

A

Emotion & reward system

Too much- Schizophrenia
Too little- Parkinsons

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15
Q

Norepinephrine

A

Fight or flight response

Too much- anxiety
Too little- depressed mood

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16
Q

Glutamate

A

Excitatory NT & memory

Too much-Migraines/seizures
Too little- ADHD like syptoms

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17
Q

Inhibitory NT

A

Stop/prevent a neural impuls

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18
Q

GABA

A

Help calm down

Too much- Shortness of breath & numbness
Too little- Tremors & insomnia

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19
Q

Serotonin

A

Regulate mood, hunger, and sleep

Too much- Muscle stiffness & seizures
Too little- Depression

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20
Q

Peripheral NS

A

Outside

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21
Q

Autonomic

A

Automaticly

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22
Q

Somatic

A

Volentary

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23
Q

Sympathetic NS

A

Fight or Flight

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24
Q

Parasympathetic

A

Help relax the body

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25
Q

CNS

A

Main decision maker

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26
Q

Pituitary gland

A

Master gland

27
Q

Adrenal

A

Kidney - Adrenaline

28
Q

Thyroid

A

Neck - Metabolism

29
Q

Pancreas

A

Liver - Blood sugar

30
Q

Parathyroid

A

Neck - Calcium

31
Q

Ganads

A

Testi/ovary - Testosterone/Estrogen

32
Q

Brain Stem

A

Automatic survival functions

33
Q

Medulla

A

Breathing & heart rate

34
Q

Pon

A

Coordinates movement & sleeping/dreaming

35
Q

Reticular formation

A

Nerve network & attention

36
Q

Thalamus

A

Sensory control center relays sensory info (not smell)

37
Q

Cerebellum (little brain)

A

Balance & coordination, fine motor skills, implicit memories

38
Q

Limbic system

A

Associated with emotion

39
Q

Amygdala

A

Anger, fear, aggression, emotional memory

40
Q

Hypothalamus

A

(F5) Flight, Fight Fahrenheit, Feeding, & Fornicate

41
Q

Hippocampus

A

Explicit memory formation & long term memory

42
Q

Basal ganglia

A

Voluntary movements & habits

43
Q

Pituitary gland (master gland) Part 2

A

Directs other glands in endocrine system & controlled by hypthalamus

44
Q

Cerebral cortex

A

Allows us to think, process info & make decisions

45
Q

Frontal lobes

A

Info processing decision making, judgment planning, personality

46
Q

Parietal lobe

A

Body sensation interprets visual info language & math processing

47
Q

Occipital lobe

A

Vission

48
Q

Temporal lobe

A

Center for hearing

49
Q

Motor cortex

A

planning control & execution voluntary movment

50
Q

Somatosensory cortex

A

Perception of all senesation

51
Q

Corpus callosum

A

Connects the 2 hemispheres in the brain

52
Q

Visual cortex

A

Processes visual info

53
Q

Auditory cortex

A

Processes auditory info

54
Q

Brocas

A

Speach

55
Q

Wernickes area

A

Understanding speech & making meaning full sentences

56
Q

EEG

A
  • Find function
  • Via electrical signals
  • Only good for sleep & seizures
57
Q

CT

A
  • Find the structure
  • Via X-rays
  • good for lesions
58
Q

PET

A
  • Find the function

- Radioactive glucose

59
Q

MRI

A
  • Find the structure

- Via magnets

60
Q

FMIR

A
  • Find the function & structure

- Via magnets & oxidized blood

61
Q

Neuroplasticity

A

Is the ability of the brain to modify its connections or rewire itself.

62
Q

Split-brain syndrome

A

Cutting the corpus callosum to alleviate epileptic seizures

63
Q

Positive of a split-brain

A

Allows people to use 2 hemispheres to complete an independent task

64
Q

Basket + Ball

A
Right- human faces
- can't say basket
- draw basket
-left hand
---------------------------------------------------------
Left- language
- could say & draw the ball
- right hand