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cognition

Large neuroimaging study finds social isolation to be an early indicator of increased dementia risk

June 23, 2022 by The Conversation Leave a Comment

Why do we get a buzz from being in large groups at fes­ti­vals, jubilees and oth­er pub­lic events? Accord­ing to the social brain hypoth­e­sis, it’s because the human brain specif­i­cal­ly evolved to sup­port social inter­ac­tions. Stud­ies have shown that belong­ing to a group can lead to improved well­be­ing and increased sat­is­fac­tion with life.

Unfor­tu­nate­ly though, many peo­ple are lone­ly or social­ly iso­lat­ed. [Read more…] about Large neu­roimag­ing study finds social iso­la­tion to be an ear­ly indi­ca­tor of increased demen­tia risk

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Filed Under: Brain/ Mental Health Tagged With: brain-structure, chronic-stress, cognition, cognitive, cognitive thinking, cognitive-reserve, cognitive-tasks, frontal-lobe, hippocampus, human-brain, memory, mental health, neuroimaging, neuroscience, physical-health, reaction-time, social brain, social isolation, social-interactions, wellbeing

Dual decline in gait speed and memory function seen as most predictive of future dementia

June 8, 2022 by SharpBrains Leave a Comment

Walk­ing Speed Helps Pre­dict Future Demen­tia (Med­Page Today):

Dual decline in gait speed and cog­ni­tion car­ried a high­er risk of demen­tia than either gait-only decline or cog­ni­tive-only decline, report­ed Taya Col­ly­er, PhD, of Monash Uni­ver­si­ty in Vic­to­ria, Aus­tralia, and co-authors, in JAMA Net­work Open…

[Read more…] about Dual decline in gait speed and mem­o­ry func­tion seen as most pre­dic­tive of future dementia

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Filed Under: Brain/ Mental Health Tagged With: brain, cognition, cognitive decline, cognitive measure, dementia prevention, diagnosis of dementia, failing memory, gait speed, memory-decline, pathology, risk of dementia, slowing gait

Study finds that playing videogames may be more cognitively beneficial for children than other forms of screentime (social media, watching videos/ TV)

June 1, 2022 by The Conversation Leave a Comment

Many par­ents feel guilty when their chil­dren play video games for hours on end. Some even wor­ry it could make their chil­dren less clever. And, indeed, that’s a top­ic sci­en­tists have clashed over for years.

In our new study, we inves­ti­gat­ed how video games affect the minds of chil­dren, inter­view­ing and test­ing more than 5,000 chil­dren aged ten to 12. And the results, pub­lished in Sci­en­tif­ic Reports, will be sur­pris­ing to some. [Read more…] about Study finds that play­ing videogames may be more cog­ni­tive­ly ben­e­fi­cial for chil­dren than oth­er forms of screen­time (social media, watch­ing videos/ TV)

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Filed Under: Brain/ Mental Health, Technology & Innovation Tagged With: cognition, cognitive, cognitive-abilities, cognitive-development, Cognitive-tests, Cognitive-Training, digital media, executive-function, flexible thinking, free time, intelligence, Learning, learning ability, screen time, self-control, social-media, video-games, visual-spatial processing, watching TV, Working-memory

Five ways to clear foggy brains and improve cognitive well-being

April 14, 2022 by Greater Good Science Center Leave a Comment

The oth­er day, my friend Kristi­na told me that one evening she unin­ten­tion­al­ly locked her hus­band in a down­stairs part of their house. She had known he was down there, but while dis­tract­ed­ly lock­ing the door for the night, for­got com­plete­ly. She didn’t real­ize what she’d done until she saw a text from her hus­band the next morn­ing ask­ing her to please let him out.

“I couldn’t believe I did that to him,” she says. “I was stunned and alarmed that I had no aware­ness, in the moment or after­ward, of what I had done.” [Read more…] about Five ways to clear fog­gy brains and improve cog­ni­tive well-being

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Filed Under: Brain/ Mental Health, Education & Lifelong Learning Tagged With: cognition, cognitive challenge, cognitive well being, cognitive-functioning, exercise, foggy brains

Complex occupations help protect our brains from aging-related cognitive decline

December 15, 2021 by SharpBrains

Cog­ni­tive aging: Work helps our brain (AAAS):

A recent study shows that work plays an active role in keep­ing our brains healthy. “We have demon­strat­ed the role of work­ing activ­i­ty on cog­ni­tive per­for­mance”. Pro­fes­sor Raf­fael­la Rumiati says … “Many stud­ies have been focused on the fac­tors influ­enc­ing our brain aging and dif­fer­ences in cog­ni­tive decline have been often observed in asso­ci­a­tion with edu­ca­tion or oth­er relat­ed to qual­i­ty of life. From our analy­sis it emerges that the type of work activ­i­ty also con­tributes to the dif­fer­ences in nor­mal and patho­log­i­cal cog­ni­tive aging”. [Read more…] about Com­plex occu­pa­tions help pro­tect our brains from aging-relat­ed cog­ni­tive decline

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Filed Under: Brain/ Mental Health, Education & Lifelong Learning Tagged With: aging, brain-aging, cognition, cognitive, Cognitive Aging, cognitive decline, cognitive-performance, Education & Lifelong Learning, neuropsychological-tests, occupation, protective factors, working

Rationality doesn’t equal efficiency: Cellphone data shows how we navigate cities

October 19, 2021 by The Conversation

The paths peo­ple take are record­ed by their cell­phones. Anony­mous data from thou­sands of phones shows the paths peo­ple take in Boston (above) and San Fran­cis­co (below). Car­lo Rat­ti, CC BY-ND

Think of your morn­ing walk to work, school or your favorite cof­fee shop. Are you tak­ing the short­est pos­si­ble route to your des­ti­na­tion? Accord­ing to big data research that my col­leagues and I con­duct­ed, the answer is no: People’s brains are not wired for opti­mal navigation.

Instead of cal­cu­lat­ing the short­est path, peo­ple try to point straight toward their des­ti­na­tions – we call it the “pointi­est path” – even if it is not the most effi­cient way to walk. [Read more…] about Ratio­nal­i­ty doesn’t equal effi­cien­cy: Cell­phone data shows how we nav­i­gate cities

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Filed Under: Education & Lifelong Learning, Technology & Innovation Tagged With: behavior, big data, Brain Teasers, cognition, cognitive load, human behavior, mental-rotation, mental-self-rotation, navigation

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