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Sciencealert

The latest science news. Publishing independent, fact-checked reporting on health, space, nature, technology, and the environment.

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News

ScienceAlert
sciencealert.com > a-neuroscientist-says-your-brain-may-not-actually-make-decisions

A Neuroscientist Says Your Brain May Not Actually Make Decisions

4+ day, 20+ hour ago   (358+ words) You may think you made a decision to read this article, but did you, really? What we consider to be making a decision might in fact be a different kind of brain interaction between what we perceive, and the actions…...

ScienceAlert
sciencealert.com > scientists-uncover-shared-genetic-roots-of-ocd-tourette-syndrome-and-autism

Scientists Uncover Shared Genetic Roots of OCD, Tourette Syndrome, And Autism

5+ day, 18+ hour ago   (573+ words) The prenatal to postnatal development of our brains involves a complex cascade of chemicals, branching brain-signaling pathways, and unfolding neural cells – the evolution of a universe in microcosm. This incredibly intricate development can lead to potentially debilitating conditions like obsessive-compulsive…...

ScienceAlert
sciencealert.com > scientists-identify-a-nose-to-brain-circuit-that-links-anxiety-and-breathing

Scientists Identify a Nose-to-Brain Circuit That Links Anxiety And Breathing

6+ day, 5+ hour ago   (283+ words) Anxiety disorders are humanity's most common mental disorders, affecting some 359 million people globally....

ScienceAlert
sciencealert.com > could-the-next-alzheimers-treatment-be-encoded-in-deep-sleep

Deep Sleep Brain Waves Offer Protection Against Alzheimer's Disease, New Research Shows

2+ week, 6+ hour ago   (641+ words) We know sleep and Alzheimer's disease are intricately linked. In a new study published in the journal Neurology, a team of scientists explores the associations between particular kinds of electrical activity that occur during deep sleep, a peptide neurotransmitter called…...

ScienceAlert
sciencealert.com > scientists-may-have-found-the-exact-brain-cells-crucial-for-sustaining-motivation

Scientists May Have Found The Exact Brain Cells Crucial For Sustaining Motivation

2+ week, 5+ day ago   (211+ words) Motivation (or a lack of it) shapes our lives in ways large and small every day: From changing careers to changing TV channels, we're guided by what motivates us and what we find rewarding....

ScienceAlert
sciencealert.com > common-daily-vitamin-linked-to-13-cognitive-boost-in-early-dementia-study-shows

Common Daily Vitamin Linked to 13% Cognitive Boost in Early Dementia, Study Shows

2+ week, 5+ day ago   (636+ words) For anybody with a loved one experiencing dementia or Alzheimer's, news of prospective drug treatments failing or producing mixed results is a cause for concern. But emerging evidence gives reasons for hope too, with research suggesting a common vitamin supplement…...

ScienceAlert
sciencealert.com > scientists-reveal-the-strange-neurological-reason-your-pupils-dilate-when-youre-surprised

Scientists Reveal The Strange Neurological Reason Your Pupils Dilate When You're Surprised

3+ week, 6+ hour ago   (358+ words) Your pupils quickly dilate when you enter a dark room, letting in more light to help you see....

ScienceAlert
sciencealert.com > hidden-pulses-within-your-brain-may-hold-your-thoughts-together

Hidden Pulses Within Your Brain May Hold Your Thoughts Together

3+ week, 1+ day ago   (462+ words) When you recognize a familiar face, your brain must connect that face with a name, a place, and perhaps a memory....

ScienceAlert
sciencealert.com > brain-scans-reveal-a-striking-similarity-between-schizophrenia-and-bipolar-disorder

Brain Scans Reveal a Striking Similarity Between Schizophrenia And Bipolar Disorder

3+ week, 2+ day ago   (324+ words) Schizophrenia can affect how a person perceives reality, thinks, and communicates, sometimes causing hallucinations, delusions, disorganized thinking, reduced motivation, and cognitive difficulties....

ScienceAlert
sciencealert.com > largest-psychedelic-brain-study-yet-reveals-how-psilocybin-helps-people-feel-at-one-with-existence

The World's Largest Psychedelic Brain Study of Its Kind Just Found 'Hidden Order' in The Chaos

3+ week, 3+ day ago   (864+ words) Psychedelics are becoming more clinically relevant, and a slew of recent research has explored the effects of psilocybin in ever-greater detail, revealing that it has the ability to imprint lasting, meaningful changes in brain activity. Psilocybin, the psychoactive powerhouse in…...