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PS1002 > The brain & sensory systems > Flashcards

The brain & sensory systems Flashcards

1
Q

What is perception?

A

An active process creating a subjective experience of the environment. Constructed based on sensory input and interpretation.

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2
Q

Name 5 human receptors

A
  1. Ears
  2. Eyes
  3. Nose
  4. Skin
  5. Mouth
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3
Q

What is the Sagittal and Coronal plane divided into?

A

Saggittal - dorsal/ventral plane + inferior/superior plane

Coronal - right/left plane + inferior/superior plane

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4
Q

What are the 2 units of the peripheral nervous system?

A

Autonomic (internal) can be sympathetic and parasympathetic

Somatic (external) 12 pairs of cranial nerves and 31 pairs of spinal nerves

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5
Q

How is the central nervous system formed?

A

Begins as a neutral tube with a fluid filled internal capacity, then expands to form three primary brain vesicles: forebrain, midbrain, hindbrain

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6
Q

What are the functions of the cerebrum?

A

Conscious thought processing, memory, conscious/subconscious skeletal muscle contractions

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7
Q

What is the function of the thalamus?

A

Relay and process sensory information

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8
Q

What is the function of the hypothalaus?

A

emotions, autonomic functions and hormone production

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9
Q

What is the function of the cerebellum?

A

Complex somatic motor patterns

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10
Q

What is the function of the pons?

A

relay sensory information to the cerebellum and the thalamus, subconscious motor centres

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11
Q

What is the function of the mid brain?

A

Processes visual and auditory data
Reflexive motor responses
Maintains consciousness

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12
Q

What is the function of the Medulla Oblongata?

A

Relays information to the thalamus, maintains cardiovascular, respiratory and digestive activities

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13
Q

Name the 4 lobes of the cerebral cortex

A
  1. Frontal lobe
  2. Parietal lobe
  3. Occipatal lobe
  4. Temporal lobe
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14
Q

What are the divisions between lobes called? Name 3

A

Sulcus

  1. Central sulcus (between frontal and parietal)
  2. Parieto-occipatal sulcus
  3. Sylvian fissure/lateral sulcus
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15
Q

What can the cortex be further divided into?

A

52 broadmann areas

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16
Q

What is grey matter and white matter?

A

Grey matter - neural bodies

White matter - myelinated axons

17
Q

What is cell theory?

A

All living organisms are composed of cells (Schleiden and Schwann)

18
Q

What is reticular theory?

A

Nervous system is made up of a singular interlinking network (Golgi)

19
Q

What is the neurone doctrine?

A

Nervous system is made up of discrete individual cells (Ramon y Cajal)

PS1002 (15 decks)

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