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Autonomic Nervous System > Structure of Brain > Flashcards

Structure of Brain Flashcards

1
Q

What is the two directions of the cerebrum

A

Rostral and Caudal

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2
Q

Three different structures of cerebrum

A
  1. Gyrus
  2. Sulcus
  3. Fissure
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3
Q

Three types of sulcus

A
  1. Central sulcus
  2. Parietal-occipital sulcus
  3. Lateral sulcus
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4
Q

What is gray matter and white matter

A

Gray matter: neutrons cell body, de dries,asso sister glow and BV
(Fee myelinated fivers)

White: Myelinated givers

  1. Association
  2. Commissural
  3. Projection
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5
Q

Structure of cerebrum

4 lobes

A
  1. Frontal
  2. Parietal
  3. Temporal
  4. Occipital
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6
Q

Frontal lobe function

A
  1. Influence personality

2. Judgement, social behaviour and motor movement

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7
Q

Temporal lobe function

A

Contrail hearing

Memory

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8
Q

Parietal lobe function

A

Principal centre for reception and interaction of sensation

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9
Q

Occipital lobe function

A

Visual stimulation

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10
Q

Three function area

A
  1. Motor area (voluntary movement)
  2. Sensory area (conscious awareness)
  3. Association area (integration)
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11
Q

Motor areas

A
  1. Primary motor cortex
  2. Broca’s area
  3. Premptor cortex
  4. Frontal eye field
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12
Q

Function or Broca’s area

upper region of human body

A
  1. Articulation of speech,
    Impulse to premotor regions (control larynx,pharynx, mouth)
  2. Impulse to primary motor cortex
    (Breath muscle control -> regulate flow and vocal cord)
  3. Coordinate contraction of the speech and breathing muscle
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13
Q

Wernicke’s area function

A

Interprets word meanings, translate words into thought

Left temporal

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14
Q

Frontal eye field area

A

Voluntary scanning movement of the eye

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15
Q

Primary motor area (precentral gyrus)

Function

A

-Allow conscious control of precise,

Skilled voluntary works

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16
Q

Premotor area function

A
  • sensation association
  • with learning motor for complex and sequential nature
  • memory bank for activity
  • control for frontal eye field area
17
Q

Sensation characteristics

A
  1. Somatosensory hominculus
    ( body have higher sensory neurons)
  2. Primary sensory area(postcentral gyrus)
    - for touch,pressure,vibration,itch,tickle,pain,termpreature,propriocetion)
  • involve perception
  • exhibits spatial discrimination
18
Q

Sensorimotor homunculi meanings

A
  • Our body is mapped on primary motor cortex and somatosensory cortex
  • it’s disproportionate representations of the body
19
Q

Association areas

A
  • Areas not involves in primary or motor

- Higher mental function

20
Q

Prefrontal cortex function

A

-intellect , complex learning( cognition)
Recall, personality

  • working memory, for abstract idea , judgment ,
    Reasoning, persistence, planning
21
Q

Association areas

A

Cerebral cortex: Integration of sensory and motor

Somatosensory association cortex; shape texture

Visual association area

Auditory association areas: recognised sound, speech, noise , music

Wernickes area; interprets word meanings, translate thought

Integrative area: formation of thought

22
Q

Ventricles and cerebrospinal fluid

A

Ventricles: within cerebral hemispheres and brain stem

CSF: buoyancy(1500 -> 50g), protective, nutritive and chemically

  • 500ml per day
  • constantly reabsorption
  • filtration of blood
  • clear and colourless
  • secreted by choroid plexuses
23
Q

What is diencephalic function

A

Thalamus and hypothalamus

24
Q

Function of hypothalamus and thalamus

A
  • For sorting and directing sensory information

- Endocrine system with the nervous system

25
Q

Lim if system

A
  • Centre of emotion learning
  • Cingulate gyrus
  • Amygdala: sensation of pleasure or fear
  • Hippocampus: formation of memories
26
Q

Basal neclei

A
  • caudate nucleus
  • putamen
  • globules Pallidus

Functions

  • reward system
  • subconscious control of skeletal muscle
  • coordination of learned movement and pattern
27
Q

Brain stem

A

Consisting of the midbrain, pons, and medulla oblongata

28
Q

Midbrain

A

Located between the diencephalon and pons, serve as reflex centers: eye,heart movement

-centers for auditory and visual reflexes

29
Q

Pons

A

Transmits impulses for regulate the raw and depth of breathing

30
Q

Medulla Oblongata

A
  • Transmission of all ascending and descending impulses

- House nuclei that control heart rate, the vasomotor center, respiratory center, rate of depth of breathing

Autonomic Nervous System (1 decks)

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