III - Organisation & Coding
11 important questions on III - Organisation & Coding
Does the amplitude of action potentials vary, and what is the rate of responding relate to in neurons?
This rate of responding is also called the spiking rate. Some neurons have a high spiking rate during speech, whilst others may have a complementary profile. Neurons responding to types of information are often grouped together.
What is the function of a region determined by in the brain?
The extent to which a function can be strictly localised is moot point.
What does grey matter consist of and what does white matter consist of?
White matter consists of axon and support cells (glia's involved in tissue repair and formation of myelin).
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What is the highly convoluted folded sheet of grey matter, and what lies in the centre of the brain?
In the centre of the brain, beneath the bulk white matter lies another collection of gray matter structures called the subcortex
Which parts of the brain are in the centre of the brain within the subcortex?
What are the three different kinds of white matter tracts?
Commisure
Projection tract
How does the white matter association tract travel?
How does the white matter commisure association tract travel?
How does the white matter Projection Tract travel?
How many ventricles does the brain have, and where are the lateral ventricles found?
The lateral ventricles are found in each hemisfere.
What are the ventricles filled with and where do the third and fourth ventricle lie?
The third ventricle lies centrally around subcortical structures whilst the fourth ventrical lies behind the brainstem or hindbrain..
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