Week 8 Brain Area Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is Grey matter?

A

Area with capillary blood vessels and cell bodies

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2
Q

what is white matter?

A

Axons covered by glial cells

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3
Q

What is Reticular matter?

A

Bodies and axons mixed

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4
Q

What are the 5 levels of the Meninges?

A
  • Dura Mater
  • Arachnoid membrane
  • Subarachnoid Membrane
  • Arachnoid Trabeculae
  • Pia Mater
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5
Q

describe Dura Mater

A

Tough, fibrous protective coating

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6
Q

Describe Arachnoid Membrane

A

composed of blood vessels and other Vasculture

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7
Q

Describe Subarachnoid space

A

Cerebral spinal fluid

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8
Q

Describe Pia Mater

A

Delicate tissue in direct contact with the surface of the brain

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9
Q

The brain contains 4 hollow interconnected chambers called what?

A

Ventricles

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10
Q

What are the ventricles filled with?

A

Cerebrospinal fluid

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11
Q

Where is cerebrospinal fluid made?

A

Choroid plexus

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12
Q

what happens if the brain’s supply of ‘fuel’ is interrupted for 6 seconds?

A

unconsciousness and lasting damage

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13
Q

what are the three main sections of the brain?

A
  • forebrain
  • midbrain
  • hindbrain
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14
Q

what are some of the functions of the cerebral cortex?

A
  • attention
  • awareness
  • reasoning
  • planning
  • emotion
  • language
  • perception
  • consciousness
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15
Q

what is the other names for a cleft?

A

Fissure or Sulcus

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16
Q

what is the other name for a ridge

A

Gyrus

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17
Q

What are the four lobes of a hemisphere?

A
  • frontal
  • parental
  • temporal
  • occipital
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18
Q

What connects the left and right hemispheres?

A

The corpus callousness

19
Q

what is the corpus callousness made from?

A

millions of myelinated axons

20
Q

what is the purpose of the corpus callousness?

A

it provides a pathway for communication between the hemispheres

21
Q

frontal cortex acts as a ___ as it receives input from the thalamus, lambic system, hypothalamus and other lobes.

A

‘control centre’

22
Q

What are the key functions of a frontal cortex?

A
  • planned motor control
  • speech production
  • higher order functioning:
  • thinking
  • personality
  • emotional process
  • memory
23
Q

what is Wernicke’s Aphasia?

A

the inability to understand words or arrange sounds into coherent speech

24
Q

what are the main functions of the parietal lobes?

A
  • spatial sense
  • navigation
  • sensory receptive area (touch and pain)
25
Q

name some of the functions of the occipital lobes

A
processing of-
•visual information
• analysing shapes
• colours
• feature integration and movement
26
Q

What is the Thalamus?

A

a relay station between the sensory information which it received from the other brain regions and the passing of this information to the cortex where it is processed at a finer level

27
Q

what is the purpose of the Hypothalamus?

A

it regulates the autonomic nervous system and is connected to the pituitary gland

28
Q

what is the limbic system?

A

a group of structures located in the the forebrain, midbrain and hindbrain, involved with emotion and memory

29
Q

what is the function of the cingulate gyrus?

A

control of emotional behaviour

30
Q

what is the purpose of the amygdala?

A

emotional processing and motivation

31
Q

where is the midbrain?

A

above the brain stem and below the thalamus and hypothalamus

32
Q

what is another name for ‘midbrain’?

A

Mesencephalon

33
Q

which system is the superior collects part of?

A

the visual system

34
Q

which system is the inferior colliculus part of?

A

the auditory system

35
Q

which parts of the brain make up the brain stem?

A

Pons and Medulla

36
Q

what parts of the brain does the hind brain consist of?

A

cerebellum and brain stem

37
Q

what does Ipsilateral mean?

A

the same side of the body

38
Q

what does contralateral mean?

A

different sides of the body

39
Q

what does Afferent mean?

A

axons carrying messages towards the brain

40
Q

what does efferent mean?

A

axons carrying away from the brain

41
Q

what is the use of projection maps?

A

tracing axons from the sensory neutrons into the brain and by tracing axons from the cortex to the motor neurons

42
Q

what is the purpose of cytoarchitectonic maps?

A

denote the distribution of different types of cells in cortex

43
Q

what is the purpose of functional maps?

A

matching area to function through study of damaged brains and scanning