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Neuroscience, brain development and cognitive health

Round-up of recent arti­cles on neu­ro­science, brain devel­op­ment and cog­ni­tive health:

Encephalon 68: A car­ni­val of neu­ro­science:

Chris hosts a great col­lec­tion of neu­ro­science and psy­chol­ogy posts in his sig­na­ture Q&A style.

Bilin­gual Babies Get Head Start — Before They Can Talk:

- Unlike the mono­lin­gual group, the bilin­gual group was able to suc­cess­fully learn a new sound type and use it to pre­dict where each char­ac­ter would pop up.

- The bilin­gual babies’ skill applies to more than just switch­ing between lan­guages. Mehler likened this appar­ently enhanced cog­ni­tive abil­ity to a brain select­ing “the right tool for the right oper­a­tion” also called exec­u­tive function.

- In this basic process, the brain, ever flex­i­ble, nim­bly switches from one learned response to another as sit­u­a­tions change.

- Mono­lin­gual babies hone this abil­ity later in their young lives, Mehler suggests.”

Study shows how kids’ stress hurts mem­ory:

Now, research is pro­vid­ing what could be cru­cial clues to explain how child­hood poverty trans­lates into dim­mer chances of suc­cess: Chronic stress from grow­ing up poor appears to have a direct impact on the brain, leav­ing chil­dren with impair­ment in at least one key area — work­ing memory.”

Return­ing troops get­ting tested for brain injuries:

- “More than 150,000 ser­vice mem­bers from the Marines, Air Force, Army and Navy have under­gone the test­ing that became manda­tory last year. Those who suf­fer a con­cus­sion or sim­i­lar head injury will get a follow-up test.”

Dia­betes ‘impact on brain power’:

- “Fail­ure to con­trol type 2 dia­betes may have a long-term impact on the brain, research has suggested.

- Lead researcher Dr Jackie Price said: “Either hypos lead to cog­ni­tive decline, or cog­ni­tive decline makes it more dif­fi­cult for peo­ple to man­age their dia­betes, which in turn causes more hypos.

- “A third expla­na­tion could be that a third uniden­ti­fied fac­tor is caus­ing both the hypos and the cog­ni­tive decline.”

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