Lobes of Brain Flashcards

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1
Q

Frontal

A

higher cognition, organizing, problem solving, and personality

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2
Q

Parietal

A
right = processing visual and spatial info
left = processing spoken and written language
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3
Q

temporal

A

processing ipsolateral auditory signals from vestibulocochlear nerve for hearing
right = visual memory (pics and faces)
left = verbal memory (words and names)

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4
Q

occipital

A

visual info

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5
Q

insula

A

control primitive motor movements

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6
Q

gyri (gyrus)

A

bumps

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7
Q

sulci (sulcus)

A

grooves

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8
Q

longitudinal (sagittal) fissure

A

occupied by fax cerebri, separates brain in half

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9
Q

transverse fissure/sulcus

A

occupied by tantrum cerebella, separates cerebrum from cerebellum

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10
Q

lateral fissure/sulcus

A

separates temporal lobe from rest of cerebrum

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11
Q

precentral gyrus

A

primary motor cortex

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12
Q

postcentral gyrus

A

primary sensory cortex

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13
Q

corpus callosum

A

rostrum, genu, trunk, splenium

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14
Q

thalamus

A

sensory relay center

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15
Q

mamillary bodies

A

reflexes for chewing and swallowing

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16
Q

optic chiasm

A

location of CN II crossing over

17
Q

CSF flow

A
lateral ventricles
interventricular foramen of Monroe
third ventricle
cerebral aqueduct of sylvius 
fourth ventricle
foramen of megendie
foramina of luschka
subarachnoid space
chroid plexus = filters CSF from blood
septum pellucidum = thin layer that covers ventricles
18
Q

cerebellum

A

coordinating/ smoothing muscular body movement

19
Q

vermis

A

separates R and L hemispheres

20
Q

arbor vitae

A

tree of life (white matter)

21
Q
brain stem 
midbrain:
pons:
medulla oblongata:
superior colliculi:
inferior colliculi:
A

contains corpa quadrigemina (includes superior and inferior colliculi)
coordinates inspiration and expiration; relays nerve impulses
regulates respiration, heart rate, blood pressure
pathway of vision
pathway of hearing

22
Q

gray matter

A

cell bodies

23
Q

white matter

A

axons-myelin

24
Q

hypothalamus

A

sex, hormones, eating (carb and lipids), metabolism, emotions, temperature, sleep/wake cycles

25
Q

pituitary gland

A

anterior: FSH, LH, ACTH, TSH, PRL, endorphins, GH, MSH,

26
Q

pineal gland

A

secretes melatonin, circadian rhythms

27
Q

schlera

A

outer layer/white fibrous

28
Q

cornea

A

transparent/window of the eye

29
Q

choroid

A

middle layer/vascular/absorbs stray lights

30
Q

cilliary bodies/muscles

A

controls shape of lens, attach to suspensory ligaments

31
Q

suspensory ligaments

A

attach to periphery or the lens

32
Q

iris

A

color part, regulates pupil size

33
Q

pupil

A

where light passes through

34
Q

lens

A

focuses vision when contracted/divids eye in two chambers

35
Q

photoreceptor cells
rods:
cones:

A

more sensitive to light (night vision)

less sensitive to light (visual activity and color)

36
Q

optic disc

A

no rods or cones, blind spot, form optic nerve

37
Q

outer ear

pinna -> tempanic membrane

A

pinna (auricle)

auditory canal

38
Q

middle ear

tempanic membrane -> oval window

A
tempanic membrane (eardrum)
ossicles:
malleus
incus
stapes
eustachian tube: equalization of air pressure (sneeze, yawn)
oval window
39
Q

inner ear

oval window -> inward

A

semicircular canal: equilibrium/maintain balance

cochlea- hearing