For questions regarding specific structures in the central and peripheral nervous systems

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4
votes
1answer
93 views

What keeps the cerebrospinal fluid circulating? Is it pumped by something?

What keeps the cerebrospinal fluid circulating? Is it pumped by something? This picture from wikipedia seems to indicate that it pulsates as though it is pumped:
6
votes
1answer
193 views

Folding (wrinkles) in cortex: Why is surface area more important than volume?

When we look at the cortex of the brain, it has a folded structure. It is said that this is because this enables a greater number of neurons to exist, which is obviously advantageous. However, we ...
1
vote
2answers
30 views

What would happen if we cut the corpus callosum?

How would a two-halved brain work? If it would, could we still control things like motion, and would hearing, vision, and other senses still function?
6
votes
1answer
62 views

What can be inferred about the strength of the synapse from an electron microscope image?

In the following EM image (1um scale), there are several synapses: Image or HD Version What information about the synaptic strengths can be extracted from this image? Does vesicle count contain ...
2
votes
0answers
46 views

What brain regions are activated when a dream is remembered?

Some people remember dreams, others don't. The same person can wake up with dream recall one day and without on other days. I know that the association between REM sleep and dreaming was initially ...
1
vote
0answers
25 views

What are the effects of antipsychotic medication on brain volume?

I have read numerous different papers each claiming that antipsychotic medication either helps maintain brain volume or causes brain volume reduction in patients with schizophrenia and other psychotic ...
3
votes
1answer
70 views

What is the purpose of hemispheric specialisation in the brain?

What is the benefit or purpose of having different hemispheres of the brain contribute more to different cognitive processes?
1
vote
2answers
85 views

What does dorso, ventro, and orbital mean in prefrontal cortext?

The prefrontal cortex has 3 parts: Dorso prefrontal cortex Ventro prefortal cortex Orbital prefrontal cortex What does dorso, and ventro mean? I thought orbital means back?
7
votes
3answers
252 views

Non coitus sexual activity and the brain

Most animals will only engage in sexual activity that can result in reproduction. There are some exceptions; Bonobos, for instance, engage in a lot of sexual activity that does not involve coitus. ...
7
votes
2answers
94 views

Which are the multisensory brain areas?

What would be an example of a multisensory brain area, where multiple senses (e.g. smell and taste) are combined to decode the corresponding stimuli from more than one sensory organ? I was thinking ...
2
votes
1answer
116 views

Does every human brain have the same shape?

Apart from the general structure (6 layer cortex, same areas, etc.) does every brain have the exact same number and arrangement of sulci, gyri, etc? Do these elements have the same shape?
8
votes
1answer
115 views

Fusiform Face Area (FFA) for within class recognition?

Is there any evidence (papers, studies, etc) that the Fusiform Face Area is used for any other type of recognition besides facial recognition? I remember hearing or reading a long time ago that ...
5
votes
3answers
1k views

Training for the corpus callosum?

Since reading is done in the left hemisphere of the brain, does reading text in the left visual field train the corpus callosum? For instance, I am interested in knowing whether training may lead to ...