Neuroanatomy Review Questions

[Satosekai]

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1) John has a problem repeating six digits. He has a problem with what?

attention and working memory
calculation
visual-spatial ability
none of the above

2) All of the following except one may produce contralateral hemineglect when injured?
right cingulate gyrus
midbrain reticular formation
right thalamus
right temporal lobe
right parietal lobe
basal ganglia
right frontal lobe

 

[RocketSurgeon]

1) John has a problem repeating six digits. He has a problem with what?

attention and working memory
calculation
visual-spatial ability
none of the above

2) All of the following except one may produce contralateral hemineglect when injured?
right cingulate gyrus
midbrain reticular formation
right thalamus
right temporal lobe
right parietal lobe
basal ganglia
right frontal lobe

This a strange way of testing neuroscience knowledge. We never had multiple choice tests .There are always multiple right answers but assuming this an intro course here goes. Okay so the current working memory model as of today is divided up into two "sub systems" the visuospatial sketchpad and the phonological loop. The former holds information about location in space for movements like optic saccades whereas the latter receives input from secondary auditory areas (ventral areas of lateral PFC receive inputs from inferior and medial temporal lobes and by rostral areas of auditory association cortex). Working memory is where you load a "program" from memory. Also, known as short term memory if you were to hold a phone number before jotting it down on a piece of paper you would see activity in areas associated with working memory (the phonological loop that gains access Lateral PFC). Inputs can be various forms of sensory information (ex: Auditory Information)

John has a problem repeating six digits. He has a problem with what?

attention and working memory : (Correct)
calculation :
visual-spatial ability - No this would be affect a task such as remember where colors of a sequence of cards.
none of the above

Whenever you talk about neglect think about attention mechanism as the cortex is receiving all the sensory information required but not responding to it appropriately. The options are way too broad. They might as well have given you option a) The Brain b) The Spinal cord. Since at the optic chiasm the optic nerve partially decussates you would expect to see hemineglect on one side of the body due to some underlying pathology on the contralateral side. They dont tell you which side. It is associated with Inferior Parietal lobe, Thalamus and Basal Ganglia.

All of the following except one may produce contralateral hemineglect when injured?

right cingulate gyrus
midbrain reticular formation
right thalamus (Possible)
right temporal lobe
right parietal lobe (Possible)
basal ganglia (Possible)
right frontal lobe

 

[sector9]

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