The Brain-Mind link
11 important questions on The Brain-Mind link
What is Brodmans map?
What are Retrograde tracers (WGH-HRP) and Anterograde tracers (Pha-L)?
Anterograde: tracing neural connections from their source to their point of termination
How do we trace anatomical connections in humans?
- Using fractional Anisotrophy of MRI voxels
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What is Grapheme-Color Synesthesia? And can we see that in the brain?
Yes, in the brain we can see an increased structural connectivity.
What types of Grapheme-Color Synesthesia are there?
- Projectors: Actually seeing the colors
What is the brain difference between Grapheme-color synesthesia projecors & assosciators?
What is the difference between left and right hemisphere regarding cell bodies?
- Pyramidal cell bodies are larger on the left than on the right in Heschl's gyrus.
- (but not in Angular Gyrus, a region posterior to Wernicke, not involved in language)
What is pyramidal weakness and what does it teach us?
- With spasticity/flaccidity: A patters of weakness in the extensors or flexors.
--> Learns us how the CST (corticospinal tract) influences balance between alpha motor neurons in the spinal cord
Where does the facial nerve leave the skull? And what problem may that cause?
What is the Sella Turcica?
This is where the pituitary gland sits, in a bone cavity at the base of the skull.
Just above lies the optic chiasm
Why is the first world war so important for brain research?
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