9 votes

How to test whether a person is Left-Eared or Right-Eared?

The Lateral Preference Inventory Coren (1993) developed an inventory for lateral preference (The Lateral Preference Inventory). Several items concerned ear preference. I found the choice of items ...
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6 votes
Accepted

Brain Right hemisphere is random and left hemisphere is linear? really?

You shouldn't. It is one of those stubbornly persistent myths. It is almost entirely false. It is true that in some tasks one half of the brain is more prominent (although even in supposed classic ...
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4 votes

Can split-brain patients sleep like whales?

Short answer An animal study did not reveal any effects on the synchronization of the cerebral hemispheres after callosotomy, as based on EEG recordings. When one hemisphere showed sleep patterns on ...
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  • 19.6k
4 votes
Accepted

How common is alien hand syndrome?

Alien hand syndrome (AHS) is an extremely rare disorder. It is so rare, there appears to be no available prevalence studies. In the AHS literature, case studies are therefore nearly universal. For all ...
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4 votes

Is forward associated with right and backwards with left?

It may have to do with language. The idea that language influences thought is called Linguistic Relativity: The more accepted weak version claims that linguistic categories and usage only ...
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  • 17.9k
3 votes
Accepted

Does a split brain affect the inner voice?

Short answer: Probably not. Let's first keep in mind that very few split-brain patients have ever been studied. Add to this that inner speech is not a well studied area in general. As the resulting ...
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  • 17.9k
3 votes

Is emotional processing lateralised in the brain?

Alright, so I'll give this question a go... Admittedly, I'm not really familiar with theories of emotion lateralization, but let's look at some meta-analyses for insight!!! As a quick theoretical ...
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  • 4,246
3 votes

Can drawing a duck define a person's hemispheric dominance?

What is the dominant hemisphere in the first place? I found the following definition (source: Medical Dictionary): [The] dominant hemisphere [is] [t]he left half of the brain in almost all right-...
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  • 19.6k
1 vote

Difference in hemispheres when processing of somatosensory information

Given how dynamic the interplay of systems involved in creating one’s experience of somatosensory perception is, as well as the rich neurobiological of individuals, I would say the answer to your ...
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1 vote

Training for the corpus callosum?

From split brain studies I find it might be possible that the right and left hemisphere differences are caused from reading top down left to right. So perhaps learning a written language that reads ...
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1 vote

How to test whether a person is Left-Eared or Right-Eared?

Dichotic listening task can be helpful to identify if someone has right ear advantage (REA) or LEA.
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1 vote

What would happen if we cut the corpus callosum?

I've asked this question about dominance of brain hemispheres. in the question there are examples of drawings made by split brain patients using only one hand and eye at a time. I don't know if using ...
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  • 9,302
1 vote
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What would happen if we cut the corpus callosum?

Basically the same as a normal two-halved brain. Circumstances in which function is altered are fairly limited. For details, see case reports on Wikipedia's split-brain page, and this episode of ...
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  • 9,274

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