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AY Psychiatry > Psych neuroanatomy > Flashcards

Psych neuroanatomy Flashcards

1
Q

What are the functions of the frontal lobe?

A 
Voluntary movement 
Executive function 
Inhibition (stops you saying thoughts)
Initiative
Personality 
Expressive language
(also involved in mood & habits)
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2
Q

How would a frontal lobe lesion present?

A 
Broca's ("expressive") aphasia 
Disinhibition
Perseveration (repeating a word)
Anosmia
Inability to generate a list
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3
Q

What are the functions of the parietal lobe?

A 
Knowing left from right 
Reading & Writing 
Science & maths (dominant)
Arts & Music (non-dominant)
Body orientation 
2 point discrimination 
Graphaesthesia
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4
Q

What symptoms are caused by a lesion in the dominant parietal lobe?

A 
Dysphasia 
Dyscalculia
Dyslexia
Apraxia
Agnosia 
Gertsmann syndrome
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5
Q

What symptoms are caused by a lesion in the non-dominant parietal lobe?

A

Spatial disorientation
Constructional apraxia
Dressing apraxia
Anosognosia (unaware of injury)

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6
Q

What are the functions of the temporal lobe?

A 
Understanding speech
Memory 
Hearing 
Emotions
Sense of identity
Recognises faces
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7
Q

What symptoms would a lesion of the temporal lobe cause?

A

Wernicke’s aphasia
Superior homonymous quadrantanopia
Auditory agnosia
Prosopagnosia (difficulty recognising faces)

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8
Q

What is the function of the occipital lobe?

A

Primary visual receptive area

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9
Q

How do occipital lesions present?

A

Homonymous hemipanopia (macular sparing)
Cortical blindness
Visual agnosia

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10
Q

What symptoms are caused by a lesion of the medial thalamus & mamillary bodies of the hypothalamus?

A

Wernicke & Korsakoff syndrome

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11
Q

What symptoms are caused by a lesion of the subthalamic nucelus of the basal ganglia?

A

Hemiballism

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12
Q

What symptoms are caused by a lesion of the striatum (caudate nucelus) of the basal ganglia?

A

Huntington chorea

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13
Q

What symptoms are caused by a lesion of the substantia nigra of the basal ganglia?

A

Parkinson’s

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14
Q

What symptoms are caused by a lesion of the amygdala?

A

Kluver-bucy syndrome 9hypersexuality, hyperorality, hyperphagia, visual agnosia)

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15
Q

What is the function of the hippocampus?

A

Forming new memories (short-long term)

Spatial memory & navigation

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16
Q

What is the hippocampus composed of?

A

Hippocampal proper & dendate nucleus

17
Q

What is the function of the hypothalamus?

A

Main integrator of the autonomic & endocrine system

Also has an effect on appetite & fear

18
Q

What is the function of the aygdala?

A

Right side = negative emotions
Left side = both pleasant 7 unpleasant emotions + reward system
Memory storage & emotionally charged memories

19
Q

What are the 2 main classes of ACh receptor?

A

Nicotinic & muscarinic

AY Psychiatry (10 decks)

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