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mental-decline

Apple/ Eli Lilly’s bet: Wearable and mobile consumer devices may well help us detect cognitive impairment and dementia

September 16, 2019 by SharpBrains

__________

Apple, Eli Lil­ly research whether devices can detect demen­tia signs (Health­care Dive):

“Demen­tia, which affects rough­ly 47 mil­lion peo­ple across the globe, costs $1 tril­lion world­wide, accord­ing to the World Health Orga­ni­za­tion. Ear­ly test­ing for the con­di­tion is spo­radic and, when con­duct­ed, it’s often not sen­si­tive enough to detect ear­ly stages of men­tal decline, cre­at­ing an oppor­tu­ni­ty for tech com­pa­nies like Apple to see whether they can turn a profit.

The “rich, lon­gi­tu­di­nal infor­ma­tion” from wear­able and mobile con­sumer devices can be [Read more…] about Apple/ Eli Lilly’s bet: Wear­able and mobile con­sumer devices may well help us detect cog­ni­tive impair­ment and dementia

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Filed Under: Brain/ Mental Health, Technology & Innovation Tagged With: Alzheimers-disease, Apple, behavioral, cognitive decline, dementia, Eli Lilly, Evidation, healthcare, HIPAA, mental-decline, mild-cognitive-impairment, physiological

On the value and the limits of cognitive screening, as seen in President Trump’s examination

January 17, 2018 by SharpBrains

Exam­ple clocks, cour­tesy of William Souil­lard-Man­dar et al (2015)

In the News:

Why you may be mis­un­der­stand­ing the men­tal test that Trump passed with fly­ing col­ors (The Wash­ing­ton Post):

“On its sur­face, the Mon­tre­al Cog­ni­tive Assess­ment (MoCA) test seems pret­ty easy. Can you draw a three-dimen­sion­al cube? Can you iden­ti­fy these var­i­ous ani­mals? Can you draw a clock? Can you repeat back the phrase, “The cat always hid under the couch when dogs were in the room”?…The point is not that the test is easy. The point is that an inabil­i­ty to com­plete aspects of the test reveals dif­fer­ent types of men­tal decline. [Read more…] about On the val­ue and the lim­its of cog­ni­tive screen­ing, as seen in Pres­i­dent Trump’s examination

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Filed Under: Brain/ Mental Health Tagged With: Age-associated, Alzheimer’s Disease, cognition, Cognitive variability, cognitive-decline, cognitive-function, cognitive-screening, executive brain function, Intraindividual change, memory impairment, mental test, mental-decline, MMSE, MOCA, Montreal Cognitive Assessment, Trump

Study: Enhancing brain functioning, and preventing cognitive decline, via diet, exercise and cognitive training

March 13, 2015 by SharpBrains

brain life

 

Healthy eat­ing, exer­cise, and brain-train­ing pro­gram results in slow­er men­tal decline for old­er peo­ple (Sci­ence Daily):

“A com­pre­hen­sive pro­gram pro­vid­ing old­er peo­ple at risk of demen­tia with healthy eat­ing guid­ance, exer­cise, brain train­ing, and man­age­ment of meta­bol­ic and vas­cu­lar risk fac­tors appears to slow down cog­ni­tive decline, accord­ing to the first ever ran­domised con­trolled tri­al of its kind, pub­lished in The Lancet.

After two years, [Read more…] about Study: Enhanc­ing brain func­tion­ing, and pre­vent­ing cog­ni­tive decline, via diet, exer­cise and cog­ni­tive training

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Filed Under: Brain/ Mental Health, Education & Lifelong Learning Tagged With: brain-functioning, Brain-Training, cognitive-decline, Cognitive-Training, dementia, diet, exercise, healthy eating, mental-decline, neuropsychological, prevent-cognitive-decline, risk factors

Does cognitive training work? (For Whom? For What?)

February 25, 2009 by Dr. Pascale Michelon

The grow­ing field of cog­ni­tive train­ing (one of the tools for brain fit­ness) can appear very con­fus­ing as the media keeps report­ing con­tra­dic­to­ry claims. These claims are often based on press releas­es, with­out a deep­er eval­u­a­tion of the sci­en­tif­ic evidence.

Let’s take a cou­ple of recent exam­ples, in suc­ces­sive days:

“It does­n’t work!” type of headline:
Reuters (Feb. 10, 2009)  For­mal brain exer­cise won’t help healthy seniors: research”
Healthy old­er peo­ple should­n’t both­er spend­ing mon­ey on com­put­er games and web­sites promis­ing to ward off men­tal decline, the author of a review of sci­en­tif­ic evi­dence for the ben­e­fits of these “brain exer­cise” pro­grams says.

It works! type of headline:
Sci­enceDai­ly (Feb. 11, 2009)  “Com­put­er Exer­cis­es Improve Mem­o­ry And Atten­tion, Study Suggests”
Accord­ing to the researchers, par­tic­i­pants who used the Brain Fit­ness Pro­gram also scored as well as those ten years younger, on aver­age, on mem­o­ry and atten­tion tests for which they did not train.

So, does struc­tured brain exer­cise / cog­ni­tive train­ing work or not?

The prob­lem may in fact reside in ask­ing this very ques­tion in the first place, as Alvaro point­ed out a while ago in his arti­cle Alzheimer’s Dis­ease: too seri­ous to play with head­lines.

We need a more nuanced set of questions.

Why? Because:
1. Cog­ni­tion is made of sev­er­al dif­fer­ent abil­i­ties (work­ing mem­o­ry, atten­tion, exec­u­tive func­tions such as deci­sion-mak­ing, etc)
2. Avail­able train­ing pro­grams do not all train the same abilities
3. Users of train­ing pro­grams do not all have the same needs or goals
4. We need to dif­fer­en­ti­ate between enhanc­ing cog­ni­tive func­tions and delay­ing the onset of cog­ni­tive deficits such as Alzheimer’s.

Let’s illus­trate these points, by [Read more…] about Does cog­ni­tive train­ing work? (For Whom? For What?)

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Filed Under: Brain/ Mental Health, Technology & Innovation Tagged With: Alzheimers-disease, brain-exercise, Brain-Fitness, brain-fitness-program, Brain-Plasticity, Brain-Training, brain-training-activities, cognition, cognitive-abilities, cognitive-ability, cognitive-deficits, cognitive-health, cognitive-reserve, Cognitive-Training, computer-games, dementia, Executive-Functions, IMPACT-study, improve-attention, improve-concentration, improve-memory, mental-decline, meta-analysis, mild-cognitive-impairment, Obama, Papp, Posit-Science, posit-science-classic, Reuters, seniors, Sitzer, Smith, Snyder, Walsh, Working-memory

New Neurons: Good News, Bad News

April 25, 2008 by Dr. Bill Klemm

Over the last year we have glad­ly seen an avalanche of news on adult neu­ro­ge­n­e­sis (the cre­ation of new neu­rons in adult brains), fol­low­ing recent research reports. Fur­ther, we have seen how the news that phys­i­cal exer­cise can enhance neu­ro­ge­n­e­sis is becom­ing com­mon knowl­edge among many health sys­tems we work with.

Now, the obvi­ous ques­tion that does­n’t always get asked is, “What good are new neu­rons if they don’t sur­vive?”. And that’s where learn­ing, enrich­ment, men­tal exer­cise, are critical.

We are glad to intro­duce a new Expert Con­trib­u­tor, Dr. Bill Klemm, a pro­fes­sor of Neu­ro­science at Texas A&M Uni­ver­si­ty, who sum­ma­rizes much research on how new neu­rons are born-and what they need to live long hap­py lives.

- Alvaro

New Neu­rons: Good News, Bad News

– By Dr. Bill Klemm

In the last few years, researchers have dis­cov­ered that new nerve cells (neu­rons) are born, pre­sum­ably from resid­ual stem cells that exist even in adults. That should be good news for all of us as we get old­er and fear men­tal decline. The bad news is that these new neu­rons die, unless our minds are active enough.

[Read more…] about New Neu­rons: Good News, Bad News

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Filed Under: Brain/ Mental Health Tagged With: adult-neurogenesis, Bill-Klemm, enriched-environments, enrichment, health-systems, hippocampus, Learning, memory, mental-decline, mental-exercise, neocortex, neuroscience, new-neurons, Physical-Exercise, Ramon-y-Cajal, smart-brains, Texas-A&M-University, Use-It-or-Lose-It

Mental Training for Gratitude and Altruism

July 15, 2007 by Alvaro Fernandez

Bran­don Keim writes a nice post on The Future Sci­ence of Altru­ism at Wired Sci­ence Blog, based on an inter­view with Jor­dan Graf­man, chief of cog­ni­tive neu­ro­science at the Nation­al Insti­tute of Neu­ro­log­i­cal Dis­or­ders and Stroke.

Bran­don pro­vides good con­text say­ing that “Sci­en­tists, said Graf­man, are under­stand­ing how our brains are shaped by cul­ture and envi­ron­ment, and a mech­a­nism of these changes may involve fluc­tu­a­tion in our genes them­selves, which we’re only begin­ning to under­stand”. (more on this in our post Richard Dawkins and Alfred Nobel: beyond nature and nur­ture).

And gives us some very nice quotes from Dr. Graf­man, including

  • “One of the ways we dif­fer­en­ti­ate our­selves from oth­er species is that we have a sense of future. We don’t have to have imme­di­ate grat­i­fi­ca­tion.… But how far can we go into the future? How much of our brain is aimed at doing that? […]”
  • “Oth­er great apes have a frontal lobe, fair­ly well devel­oped, but not near­ly as well devel­oped as our own. If you believe in Dar­win and evo­lu­tion, you argue that the area grew, and the neur­al archi­tec­ture had to change in some way to accom­mo­date the abil­i­ties asso­ci­at­ed with that behav­ior. There’s no doubt that did­n’t occur overnight; prob­a­bly a slow change, and it was one of the last areas of the brain to devel­op as well. It’s very recent evo­lu­tion­ary devel­op­ment that humans took full advan­tage of. What in the future? What in the brains can change?”
  • “The issue becomes — do we teach this? Train peo­ple to do this? Chil­dren tend to be self­ish, and have to be taught to share.”

The UC Berke­ley mag­a­zine Greater Good tries to answer that ques­tion with a series of arti­cles on Grat­i­tude. I espe­cial­ly enjoyed A Les­son in Thanks, described as [Read more…] about Men­tal Train­ing for Grat­i­tude and Altruism

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Filed Under: Brain/ Mental Health Tagged With: accountability, adolescent-brain, adult-neurogenesis, Alexander-Luria, Bill-Klemm, chimps-memory, Cognitive Neuroscience, exercise, Go-Hirano, health-systems, managing-stress, mental-decline, new-neurons, rhyme, strategic-consulting, Texas-A&M-University, write-haiku

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