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cognitive illusions

Study examines common cognitive biases (have you tried this brain teaser?) and ways to mitigate them

August 30, 2021 by SharpBrains

Pic: Get­ty Images

A fas­ci­nat­ing new study, Tver­sky and Kahneman’s Cog­ni­tive Illu­sions: Who Can Solve Them, and Why?, probes into the cog­ni­tive “heuris­tics and bias­es” researched by Daniel Kah­ne­man and Amos Tver­sky since the late 1960s.

If you have nev­er encoun­tered the “Lin­da brain teas­er” before, please give it a try:

Lin­da is 31 years old, sin­gle, out­spo­ken, and very bright. She majored in phi­los­o­phy. As a stu­dent, she was deeply con­cerned with issues of dis­crim­i­na­tion and social jus­tice, and also par­tic­i­pat­ed in anti-nuclear demonstrations.

Which state­ment is more probable?

(a) Lin­da is a bank teller.

(b) Lin­da is a bank teller and is active in the fem­i­nist movement.

 

Quick! What’s your answer? [Read more…] about Study exam­ines com­mon cog­ni­tive bias­es (have you tried this brain teas­er?) and ways to mit­i­gate them

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Filed Under: Brain Teasers, Brain/ Mental Health Tagged With: adults, Bayesian reasoning, Brain Teasers, brain-teaser, cognitive, cognitive biases, cognitive illusion, cognitive illusions, cognitive-abilities, cognitive-ability, cognitive-bias, free-brain-teasers, Linda problem, logical thinking, statistical reasoning

Update: Time to become mental capitalists and invest in our brains?

November 30, 2011 by Alvaro Fernandez

Time for the Novem­ber edi­tion of the month­ly Sharp­Brains eNewslet­ter, fea­tur­ing a wealth of resources and insights on how to invest in our brains, includ­ing top­ics such as brain health, med­i­ta­tion, neu­ropsy­chol­o­gy, brain train­ing games, chemo brain, dyslex­ia, neu­ro­plas­tic­i­ty, cog­ni­tive bias­es, stress, and more. Not to for­get a cou­ple of fun teasers. Enjoy!

Brain Fit­ness Q&A Sessions:

  • Tran­script: Alvaro Fer­nan­dez on Men­tal Cap­i­tal­ism and Non-inva­sive Cog­ni­tive Enhancement
  • Tran­script: Dr. Gary Small on Enhanc­ing Mem­o­ry and the Brain
  • Tran­script: Dr. Paul Nuss­baum on Med­i­ta­tion and Neuropsychology

The Big Picture:

  • Steve Jobs: Com­put­ers are the Bicy­cles of the Mind
  • Brain Fit­ness: Def­i­n­i­tion, Pri­or­i­ties, and Links to Neu­rolead­er­ship, by Alvaro Fernandez
  • Is the Uni­ver­si­ty Cen­tered on The Learn­er or the Pro­fes­sor?, by Miguel Angel Escotet
  • Grand Rounds: Best of Health and Med­ical Blog­ging, by Alvaro Fernandez

New Research:

  • Can Brain Train­ing Games and Biofeed­back Help Pre­vent Depres­sion, by Dr. Pas­cale Michelon
  • ‘Chemo Brain’: MRI Shows Brain Changes After Chemotherapy
  • Dyslex­ia not relat­ed to intel­li­gence. Impli­ca­tions for dis­crep­an­cy model?
  • Vet­er­ans learn to use yoga and med­i­ta­tion exer­cis­es to recon­nect with their emotions
  • Applied Neu­ro­plas­tic­i­ty: Rewiring the Brain to Ease Pain

New Books:

  • What makes your brain hap­py and why you should do the oppo­site, by David DiS­al­vo (We’ll have a Live Q&A on Decem­ber 9th)
  • How cog­ni­tive illu­sions blind us to reason
  • The Series on Stress & the Brain, by Dr. Jerome Schultz, con­tin­ues with: The Lit­tle Brain Down Under, The Stress Response Explained, The Human Brain Likes to Be in Bal­ance, To Fight, Flee or Freeze –That is the Question

Brain Teasers:

  • Math Teas­er: Unfin­ished The­sis, by Maria Lando
  • Math Teas­er: How to Choose a Mans Shirt, by Maria Lando
  • How many Share This Arti­cle links, right below, do you know how to use? Try a cou­ple of them and share via Face­book and Twitter!

Thank you for your inter­est and atten­tion and have a great December.

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Filed Under: Brain Teasers, Brain/ Mental Health, Education & Lifelong Learning, SharpBrains Monthly eNewsletter Tagged With: biofeedback, Books, brain, brain-books, Brain-Training, brain-training-games, chemo-brain, chemotherapy, cognitive illusions, cognitive-enhancement, depression, dyslexia, intelligence, meditation, memory, mental capitalism, neuroleadership, neuroplasticity, Neuropsychology, pain, Steve Jobs, Stress, veterans, yoga

How cognitive illusions blind us to reason

November 2, 2011 by SharpBrains

Fun arti­cle by Daniel Kah­ne­man based on his new book,Think­ing, Fast and Slow.

How cog­ni­tive illu­sions blind us to rea­son (The Guardian):

Why do Wall Street traders have such faith in their pow­ers of pre­dic­tion, when their suc­cess is large­ly down to chance? Daniel Kah­ne­man explains. 

- “Look­ing back, the most strik­ing part of the sto­ry is that our knowl­edge of the gen­er­al rule that we could not pre­dict had no effect on our con­fi­dence in indi­vid­ual cas­es. We were reluc­tant to infer the par­tic­u­lar from the gen­er­al. Sub­jec­tive con­fi­dence in a judg­ment is not a rea­soned eval­u­a­tion of the prob­a­bil­i­ty that this judg­ment is cor­rect. Con­fi­dence is a feel­ing, which reflects the coher­ence of the infor­ma­tion and the cog­ni­tive ease of pro­cess­ing it. It is wise to take admis­sions of uncer­tain­ty seri­ous­ly, but dec­la­ra­tions of high con­fi­dence main­ly tell you that an indi­vid­ual has con­struct­ed a coher­ent sto­ry in his mind, not nec­es­sar­i­ly that the sto­ry is true.” …

- “The sub­jec­tive expe­ri­ence of traders is that they are mak­ing sen­si­ble edu­cat­ed guess­es in a sit­u­a­tion of great uncer­tain­ty. In high­ly effi­cient mar­kets, how­ev­er, edu­cat­ed guess­es are no more accu­rate than blind guesses.”

Relat­ed articles:

  • Clas­sic inat­ten­tion­al blind­ness test
  • Brain Teas­er: Con­sid­er Linda
  • Your Trad­ing Brain: Expert or Novice

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Filed Under: Brain Teasers, Education & Lifelong Learning, Peak Performance Tagged With: cognitive, cognitive illusions, Daniel-Kahneman, feeling, prediction, processing, reason, thinking, traders, Wall Street

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