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obesity

On physical activity, neuroplasticity, depression, screen time, neuromodulation and more

October 29, 2021 by SharpBrains

Wel­come to a new edi­tion of Sharp­Brains’ e‑newsletter, fea­tur­ing this time eight sci­en­tif­ic reports and indus­try resources plus a few fun brain teasers.

#1. Study finds ulti­mate hack to pro­tect teen brains from harm­ful screen time: Exer­cise (and good role-mod­el­ing):

“Girls who spent less than an hour on screens and boys who spent less than 90 min­utes on screens were not neg­a­tive­ly impact­ed by it. But at high­er amounts of screen time, their life sat­is­fac­tion dropped significantly—they were less hap­py with their lives, and it got worse the more time they spent … (the) study also found that teens who got more reg­u­lar exer­cise had greater life sat­is­fac­tion and few­er phys­i­cal com­plaints for both gen­ders. Not only that, the effects were large­ly unre­lat­ed to how much time a teen spent on screens, so that if teens exer­cised more, it could poten­tial­ly undo the dam­age to their well-being that went along with even six or eight hours of screen time.”

#2. Stud­ies find grow­ing evi­dence link­ing weight, phys­i­cal activ­i­ty, neu­ro­plas­tic­i­ty and depres­sion:

‘Obe­si­ty and depres­sion are both major glob­al health chal­lenges, and our study pro­vides the most robust evi­dence to date that high­er BMI caus­es depres­sion,’ said lead author Jess O’Loughlin. ‘Under­stand­ing whether phys­i­cal or social fac­tors are respon­si­ble for this rela­tion­ship can help inform effec­tive strate­gies to improve men­tal health and wellbeing.’

#3. Dr. Judith Beck on the future of cog­ni­tive ther­a­py and psy­chother­a­py:

Let’s hope! — “I think Cog­ni­tive Behav­ioral Ther­a­py (CBT) will con­tin­ue to be adapt­ed for more prob­lems, diag­noses, and con­di­tions. We will train many kinds of care­givers, teach­ers, front-line work­ers, police, and even politicians.”

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

“We dis­cov­ered that the most pre­dic­tive mod­el – rep­re­sent­ing the most com­mon mode of city nav­i­ga­tion – was not the quick­est path, but instead one that tried to min­i­mize the angle between the direc­tion a per­son is mov­ing and the line from the per­son to their des­ti­na­tion … Evo­lu­tion is a sto­ry of trade-offs, not opti­miza­tions, and the cog­ni­tive load of cal­cu­lat­ing a per­fect path rather than rely­ing on the sim­pler point­ing method might not be worth a few saved min­utes. After all, ear­ly humans had to pre­serve brain pow­er for dodg­ing stam­ped­ing ele­phants, just like peo­ple today might need to focus on avoid­ing aggres­sive SUVs.”

#5. Trend: Har­ness­ing dig­i­tal tech to improve men­tal health and well­ness:

“Designed with the help of Dutch aca­d­e­m­ic Isabela Granic … the game is cen­tred around an avatar who stays in bed for the day and aims to relax play­ers by using sooth­ing music, mut­ed colours and self-care prac­tices. Think med­i­ta­tive tasks such as word games and guid­ed breath­ing exer­cis­es. There’s no way to win, com­pete or binge – in fact, it delib­er­ate­ly starts to feel bor­ing after a few min­utes of play, which dis­in­cen­tivizes mind­less scrolling. #Self­Care was an instant hit, gar­ner­ing half a mil­lion down­loads in its first six weeks with­out any advertising…”

#6. Study: Per­son­al­ized, closed-loop neu­ro­mod­u­la­tion can (one day) become a “pace­mak­er for the brain”:

“What made this proof-of-prin­ci­ple tri­al suc­cess­ful was the dis­cov­ery of a neur­al bio­mark­er – a spe­cif­ic pat­tern of brain activ­i­ty that indi­cates the onset of symp­toms – and the team’s abil­i­ty to cus­tomize a new DBS device to respond only when it rec­og­nizes that pat­tern. The device then stim­u­lates a dif­fer­ent area of the brain cir­cuit, cre­at­ing on-demand, imme­di­ate ther­a­py that is unique to both the patient’s brain and the neur­al cir­cuit caus­ing her illness.”

#7. Six guide­lines to nav­i­gate the Aduhelm con­tro­ver­sy and (hope­ful­ly) help patients with Mild Cog­ni­tive Impair­ment and ear­ly-stage Alzheimer’s Dis­ease:

“After ini­tial­ly indi­cat­ing that Aduhelm could be pre­scribed to any­one with demen­tia, the Food and Drug Admin­is­tra­tion now spec­i­fies that the pre­scrip­tion drug be giv­en to indi­vid­u­als with mild cog­ni­tive impair­ment or ear­ly-stage Alzheimer’s, the groups in which the med­ica­tion was studied.
Yet this nar­row­er rec­om­men­da­tion rais­es ques­tions. What does a diag­no­sis of mild cog­ni­tive impair­ment mean? Is Aduhelm appro­pri­ate for all peo­ple with mild cog­ni­tive impair­ment, or only some? And who should decide which patients qual­i­fy for treat­ment: demen­tia spe­cial­ists or pri­ma­ry care physicians?”

#8. The Fed­er­al Trade Com­mis­sion (FTC) hard­ens data secu­ri­ty rules for health apps and devices:

“With data breach­es on the rise, the FTC is look­ing to make health apps more account­able for telling patients when their data has been exposed.”
And here are a few of our favorite brain teasers, in case you missed them…
  • Cel­e­brate Hal­loween with nine great riddles
  • Test your stress lev­el with this quick brain teaser
  • Where’s the baby?
  • Learn about cog­ni­tion and men­tal self-rotation

 

Wish­ing you and yours a sweet Hal­loween and a healthy month of November,

The Sharp­Brains Team

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Filed Under: Brain/ Mental Health, Education & Lifelong Learning, Peak Performance, SharpBrains Monthly eNewsletter, Technology & Innovation Tagged With: Aduhelm, Brain Teasers, CBT, cognitive load, cognitive-behavioral-therapy, cognitive-therapy, depression, digital health, digital tech, early-stage Alzheimer’s, exercise, FTC, mild-cognitive-impairment, neural biomarker, neural circuit, neuromodulation, neuroplasticity, obesity, pacemaker for the brain, Physical-activity, Psychotherapy, screen time, weight

Studies find growing evidence linking weight, physical activity, neuroplasticity and depression

October 18, 2021 by SharpBrains

Being over­weight can cause depres­sion — and exer­cise is an anti­dote, dual stud­ies con­firm (Run­ner’s World):

A large-scale study from the Uni­ver­si­ty of Exeter has found ‘robust evi­dence’ that being over­weight hikes up your risk of devel­op­ing depres­sion – but as fresh evi­dence con­firms, log­ging your morn­ing miles is one of the most effec­tive ways to fight back. Exer­cise jolts your brain into action, and not just because of the endor­phin high … ‘Obe­si­ty and depres­sion are both major glob­al health chal­lenges, and our study pro­vides the most robust evi­dence to date that high­er BMI caus­es depres­sion,’ said lead author Jess O’Lough­lin. ‘Under­stand­ing whether phys­i­cal or social fac­tors are respon­si­ble for this rela­tion­ship can help inform effec­tive strate­gies to improve men­tal health and well­be­ing.’ [Read more…] about Stud­ies find grow­ing evi­dence link­ing weight, phys­i­cal activ­i­ty, neu­ro­plas­tic­i­ty and depression

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Filed Under: Brain/ Mental Health Tagged With: body mass index, Brain-Plasticity, depression, depressive disorders, generalized anxiety disorder, mental health, metabolic health, neuroplasticity, obesity, Physical-activity, Physical-Exercise, Transcranial-Magnetic-Stimulation

Higher body mass index (BMI) linked to lower blood supply to the brain in large neuroimaging study

August 7, 2020 by SharpBrains

Fig­ure 6 from the study, show­ing 3‑D ren­der­ings of cere­bral per­fu­sion aver­aged across nor­mal BMI (23), over­weight (29), and obese (37) 40-year-old men

Body weight has sur­pris­ing, alarm­ing impact on brain func­tion (Sci­ence Daily):

As a per­son­’s weight goes up, all regions of the brain go down in activ­i­ty and blood flow, accord­ing to a new brain imag­ing study in the Jour­nal of Alzheimer’s Dis­ease … sci­en­tists ana­lyzed over 35,000 func­tion­al neu­roimag­ing scans using sin­gle-pho­ton emis­sion com­put­er­ized tomog­ra­phy (SPECT) from more than 17,000 indi­vid­u­als to mea­sure blood flow and brain activ­i­ty. [Read more…] about High­er body mass index (BMI) linked to low­er blood sup­ply to the brain in large neu­roimag­ing study

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Filed Under: Brain/ Mental Health Tagged With: AD pathology, adults, Alzheimer’s Disease, blood supply, BMI, body mass index, brain, brain regions, brain scans, brain-function, cerebral perfusion, cognitive-ability, hippocampus, lifestyle, obesity, physiology, risk factor, SPECT

Update: 35% of worldwide dementia cases could be prevented by modifying these 9 modifiable risk factors

July 27, 2017 by SharpBrains

Time for Sharp­Brains’ July e‑newsletter, fea­tur­ing fas­ci­nat­ing sci­en­tif­ic find­ings, emerg­ing brain health prac­tices and insights…and some fun teasers.

New research

Let’s start with the key take-aways from a new and very insight­ful evi­dence review which found nine mod­i­fi­able risk fac­tors for demen­tia — account­ing for 35% of all cases:
— Edu­ca­tion by age 15 (dur­ing ear­ly life)
— Hyper­ten­sion; Obe­si­ty; Hear­ing loss (in mid-life)
— Depres­sion; Dia­betes; Phys­i­cal inac­tiv­i­ty; Smok­ing; Low social con­tact (in lat­er life)

  • Report: 35% of world­wide demen­tia cas­es could be pre­vent­ed by mod­i­fy­ing these 9 mod­i­fi­able risk factors
  • Study shows how prac­tic­ing grat­i­tude can help train your brain and improve men­tal health over time
  • With 25% of US physi­cians aged 65+, hos­pi­tals test old­er doc­tors on men­tal and phys­i­cal acuity

New thinking

  • “Our health starts and ends with brain health” — Dr. San­dra Bond Chap­man, at the 2016 Sharp­Brains Vir­tu­al Summit
  • Four Ways to Upgrade Brain Health in the Dig­i­tal Age
  • Call for nom­i­na­tions and appli­ca­tions @ Glob­al Teacher Prize 2018

Upcoming events

  • Brain Health Chal­lenge by MIT Solve (Sub­mis­sions due August 1st)
  • Reminder and Dis­count Code: Brain­Fu­tures 2017 to take place Sep­tem­ber 6–7th in Wash­ing­ton, DC
  • 2017 Sharp­Brains Vir­tu­al Sum­mit: Brain Enhance­ment in the Dig­i­tal Age (Decem­ber 5–7th, 2017), fea­tur­ing a stel­lar “Sharp Tank” of Judges shap­ing brain-relat­ed inno­va­tion in health­care, edu­ca­tion, the work­place, and gen­er­al qual­i­ty of life.

__________

Final­ly, you may want to Test your Brain and Mind with these 9 Clas­sic Opti­cal Illu­sions 🙂

 

Have a great August!

The Sharp­Brains Team

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Filed Under: Education & Lifelong Learning, Technology & Innovation Tagged With: Alzheimers-disease, behavior changes, cognitive-decline, cognitive-symptoms, dementia, dementia care, dementia prevention, dementia risk factors, depression, diabetes, hearing loss, hypertension, Lancet Commission, neuropsychiatric, obesity, pharmacological interventions

Report: 35% of worldwide dementia cases could be prevented by modifying these 9 modifiable risk factors

July 25, 2017 by SharpBrains

The Lancet Com­mis­sion: One Third of Demen­tia May Be Pre­ventable (Lancet report release):

“Today’s find­ings are extreme­ly hope­ful,” said Maria Car­ril­lo, PhD, chief sci­ence offi­cer at the Alzheimer’s Asso­ci­a­tion. “At an indi­vid­ual lev­el, many peo­ple have the poten­tial to reduce their risk of cog­ni­tive decline, and per­haps demen­tia, through sim­ple, health­ful behav­ior changes. At a pub­lic health lev­el, inter­ven­tions based on this evi­dence could be extreme­ly pow­er­ful in man­ag­ing the glob­al human and eco­nom­ic costs of Alzheimer’s dis­ease and oth­er demen­tias.” [Read more…] about Report: 35% of world­wide demen­tia cas­es could be pre­vent­ed by mod­i­fy­ing these 9 mod­i­fi­able risk factors

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Filed Under: Brain/ Mental Health, Education & Lifelong Learning Tagged With: Alzheimers-disease, behavior changes, cognitive-decline, cognitive-symptoms, dementia, dementia care, dementia prevention, dementia risk factors, depression, diabetes, Education & Lifelong Learning, hearing loss, hypertension, individualize, Lancet Commission, neuropsychiatric, obesity, pharmacological interventions, public-health, social interventions

Study: Both maternal and parental obesity linked to young children’s neurodevelopmental delays

January 3, 2017 by SharpBrains

child-development—–

Parental obe­si­ty linked to delays in child devel­op­ment, NIH study sug­gests (NIH press release):

“Chil­dren of obese par­ents may be at risk for devel­op­men­tal delays, accord­ing to a study by researchers at the Nation­al Insti­tutes of Health. The inves­ti­ga­tors found that chil­dren of obese moth­ers were more like­ly to fail tests of fine motor skill—the abil­i­ty to con­trol move­ment of small mus­cles, such as those in the fin­gers and hands. Chil­dren of obese fathers were more like­ly to fail mea­sures of [Read more…] about Study: Both mater­nal and parental obe­si­ty linked to young children’s neu­rode­vel­op­men­tal delays

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Filed Under: Brain/ Mental Health Tagged With: brain-development, Child-Development, childhood, communication, fine motor, gross motor, maternal, neurodevelopment, obesity, paternal, personal-social functioning, problem-solving ability

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