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Bilingualism and Cognition

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Musbah Abdussayed

on 28 April 2015

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Transcript of Bilingualism and Cognition

Gray matter and white matter.
Bilingual Brain VS Monolingual Brain
* The grey matter in the left inferior parietal cortex.

Grey matter:
is a type of tissue that composes the nervous system with the white matter tissues.

The function of the grey matter in the brain is
processing information by collecting data from the sensory system and then directing it to where it should go. The white matter speeds up the flow of information
Processing Information
Language co-activation:
linguistic status where both languages are active whether one or both languages are being in use or not.

Language co-activation and sight.

Example: Russian English speaker.


Processing information
The number of languages we speak upgrades the capacity of our brains at processing information.

Bilingual brain VS Monolingual brain
Dorosolateral prefrontal cortex.
This region in the brain is responsible for some cognitive tasks in the brain such as "inhibition and focus.

Inhibiting :
the ability of a speaker at preventing the wrong, irrelevant or false information from processing out.

Higher level of grey matter in the inferior parietal cortex means a higher intelligence level.

Bilingual brains have higher level of grey matter than monolingual ones.


A study conducted at Northwest University.

- Inhibiting.
The volunteers flow of blood was tested during the task.
The participants would hear for instance the word ( cloud) and see a number of pictures and that only one of them is the picture of ( cloud) whereas the other pictures were of words that similarly sounded ( i,e Clown).

The results:
the monolingual brains showed more cognitive effort as the flow of blood in their brains was higher while bilingual brains processed information with no much effort on the task of inhibiting.

Auditory tasks


Bilingual brains are trained to do auditory focus, for example, bilingual speakers outperform monolingual speakers at encoding sounds.

Experiment:
one group of bilingual teenagers competed with another monolingual group at recognizing the the sound (
da )
while the sound was simultaneously played with noise.

The result : bilinguals outperformed.
conflict management tasks

Inhibitory control
: neglecting the misleading input, and only allows the relevant information.
Yellow
orange

green

blue

pink

black
grey

brown
Bilinguals respond faster
Bilingualism and Cognition
By Musbah .Abdussayed
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