Neuroscience

Our brain uses statistics to calculate confidence, make decisions

The directions, which came via cell phone, were a little garbled, but as you understood them: "Turn left at the 3rd light and go straight; the restaurant will be on your right side." Ten minutes ago you made the turn. Still ...

Psychology & Psychiatry

The brain system that stops worriers just going with the flow

(Medical Xpress)—Chronic worriers are more likely to use analytical thought processes when making decisions rather than relying on 'gut instincts', according to a new University of Sussex study published this week.

Medications

State laws linked to very small changes in opioid prescribing

State laws are associated with small and non-statistically significant changes in opioid prescribing or nonopioid pain treatment, according to a study published online March 15 in the Annals of Internal Medicine.

Autism spectrum disorders

Autism, ADHD raise the odds for early death

Young people with autism or attention-deficit/hyperactivity disorder (ADHD) have a higher risk of dying early from a range of causes, a new research review suggests.

Health

Europe's tainted food scandals

Public confidence in food safety in Europe has again been undermined by a growing insecticide-tainted egg scandal.

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Confidence

Confidence is generally described as a state of being certain either that a hypothesis or prediction is correct or that a chosen course of action is the best or most effective. Self-confidence is having confidence in oneself. Arrogance or hubris in this comparison, is having unmerited confidence—believing something or someone is capable or correct when they are not. Overconfidence or presumptuousness is excessive belief in someone (or something) succeeding, without any regard for failure. Scientifically, a situation can only be judged after the aim has been achieved or not. Confidence can be a self-fulfilling prophecy as those without it may fail or not try because they lack it and those with it may succeed because they have it rather than because of an innate ability.

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