brain Flashcards

1
Q

ventricles function

A

makes cerebrospinal fluid which transports nutrients and clears waste
the fluid provides support for the brain and protects it against trauma

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2
Q

cerebral aqueduct function

A

narrow canal that allows celebrospinal fluid to travel from the third ventrical to the fourth to the spinal cord

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3
Q

third ventricle location

A

in diencephalon

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4
Q

fourth ventricle location

A

posterior to pons, and above medulla (superior)
has lateral apertures as sid ewalls

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5
Q

frontal lobe functions

A

conscious thought, decision making “executive functions”

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6
Q

precentral gyrus or primary motor cortex functions and location

A

located in the posterior frontal lobe and responsible for voluntary muscle movements

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7
Q

postcentral gyrus function and location

A

located in the anterior of parietal lobe
responsible for sensation (touch)

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8
Q

occipital lobe function

A

vision

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9
Q

temporal lobe

A

hearing, memory, acquisition

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10
Q

pre-motor cortex location and function

A

lies anterior to primary motor cortex
prepares and executes movements of the limbs

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11
Q

central canal function

A

continues after fourth ventricle
continues down the spinal cord carrying cerebrospinal fluid

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12
Q

insular lobe or insula function

A

located in the middle deep inside lateral cerebral sulcus
plays a role in smell and taste and memory

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13
Q

Somatosensory association cortex function

A

responsible for input processing and generation of movement

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14
Q

multimodal association cortex function

A

receives input from multiple mdoalities and formulates a composite experience.
Associated with imagination, judgement, decision making, and making long term plans.

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15
Q

central sulcus location

A

separates frontal and parietal lobes

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16
Q

parieto-occipital sulcus location

A

separates the parietal lobe and occipital lobe

17
Q

lateral sulcus location

A

separates frontal/parietal and temporal lobe

18
Q

corpus callosum

A

allows communication between the two sides of the brain

19
Q

association fibres

A

connects different cortical areas in the same hemisphere: 2 types long range and U-fibres

20
Q

projection fibres

A

connect the cortex and lower parts of the brain

21
Q

thalamus

A

located in the diencephalon
relay station between cerebrum and the rest of the nervous system, mediates sensation and plays role in learning and memory

22
Q

pineal gland

A

located inside diencephalon
secretes melatonin
posterior of brain

23
Q

FORNIX

A

links the limbic system

24
Q

hippocampus

A

C-shaped
mostly gray matter
long-term memory

25
Q

amygdala

A

anterior surface of hippocampus
memory and emotion

26
Q

hypothalamus

A

located in the diencephalon
contributes to homeostasis
connects info from nervous system to the hormone releases of the endocrine system

27
Q

mammillary body

A

anterior end of the hypothalamus
memory of smell

28
Q

cingulate gyrus

A

arch-shaped, close to corpus callosum
expressing emotions through gestures

29
Q

Para hippocampal gyrus

A

processing of memory and smell

30
Q

Superior colliculi

A

control visual reflexes

31
Q

inferior colliculi

A

control hearing-related reflexes

32
Q

pons

A

carrying signals between spinal cord and rest of the brain
and pontine nuclei for breathing rhythms