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PSYC5002 > L2: Neurobiology - Neuroanatomy > Flashcards

L2: Neurobiology - Neuroanatomy Flashcards

1
Q

What happens when the medulla or pons is damaged?

A

Generally damage to either of these sections is not compatible with life

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2
Q

Two main functions of hypothalamus

A
  • Master controller of much of the endocrine system

* Involved in homeostatic functioning (food intake, water intake, maintaining body temp, maintaining heart rate)

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3
Q

Which brain region is shown in green

A

temporal lobe

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4
Q

Main function of occipital lobe

A

Visual processing

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5
Q

Name this section

A

Coronal

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6
Q

Name this orientation

A

rostral or anterior

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7
Q

Which brain region is shown in yellow

A

parietal lobe

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8
Q

Name this section

A

Sagittal

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9
Q

What are the three main brain regions?

A

Forebrain
Midbrain
Hindbrain

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10
Q

What occurs when the cerebellem is damaged

A

Cerebellar ataxia – makes fine motor control very difficult

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11
Q

Name this orientation

A

Ventral or inferior

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12
Q

What is the frontal lobe responsible for

A
  • Higher order processes
  • Executive function, abstract thinking, problem solving
  • Impulse control/social skills
  • motor cortex also located here
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13
Q

Which brain region is shown in pink

A

occipital lobe

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14
Q

Two main functions of tegmentum (midbrain)

A
  • Unconscious processes

* Movement/motor control

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15
Q

Name this orientation

A

Caudal or posterior

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16
Q

Name this orientation

A

Dorsal or superior

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17
Q

Main function of the hippocampus

A

Involved in the formation/storage of new memories

18
Q

visual processing and control of eye movements occurs in the ____ ______ in the tectum (midbrain)

A

superior colliculus

19
Q

What do water maze experiments tell us about the hippocampus

A

maze with hidden platform in the water. Rats will learn where this is and swim straight to it. However, if you lesion the hippocampus > unable to form new memories (especially new spatial memories) > won’t find platform any sooner.

ie. critical to creation of new memories

20
Q

What is the main function or parietal lobe

A
  • Involved in somatosensory interpretation 

* Somatosensory cortex is located here

21
Q

Which brain region is shown in blue

A

Frontal lobe

22
Q

What are gyri/gyrus?

A

a ridge/bump on the cerebral cortex

23
Q

Two main areas of the midbrain

A

Tectum

Tegmentum 

24
Q

auditory processing occurs in the ____ ______ in the tectum (midbrain)

A

inferior colliculus

25
Q

Name this section

A

Axial/Horizontal

26
Q

Where is the motor cortex located?

A

Frontal lobe

27
Q

Main function of the cerebellum

A

Fine motor control

28
Q

Two key areas found in the temporal lobes

A
  • primary auditory cortex

* primary olfactory cortex 

29
Q

What are the two main functions of the Medulla

A
  • Autonomic centre for heart rate and blood pressure

* Centre for cranial nerve input – almost all enter at the medulla

30
Q

Two main functions of thalamus

A
  • Relays sensory signals to the cerebral cortex
  • Important filter of information – filters out salient information and passes through that which is. Helps to focus attention
31
Q

What are the three main functions of the Pons

A
  • Relay signal to the forebrain from the periphery
  • Involved in respiration
  • Integrates cranial nerve information
32
Q

True or False. The areas that get a lot of somatosensory input are overrepresented in somasensory cortex.

A

True

33
Q

Forebrain made up of 5 main areas. What are they?

A 
Hypothalamus
Thalamus
Amygdala
Hippocampus
Cerebral Cortex
34
Q

What are the three main parts of the hindbrain

A

Medulla
Pons
Cerebellum

35
Q

what are fissures?

A

a deeper groove in the cerebral cortex

36
Q

True of false. Each sense has a primary cortex as well as association areas

A

True

37
Q

What is the role of the corpus callosum

A

Allows rapid communication between left and right hemispheres

38
Q

Two things tectum (midbrain) is involved with

A

Visual processing and control of eye movements

Auditory processing

39
Q

What is the corpus callosum

A

The white matter tract (myelinated axons) that connect the two hemispheres (left and right)

40
Q

Locate cerebellum

A
41
Q

what are sulci/sulcus?

A

a depression in the cerebral cortex

42
Q

Three main functions of amygdala

A
  • Involved in emotion regulation
  • Fear responses
  • Aggression

PSYC5002 (9 decks)

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