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ScienceDaily: Mind & Brain News |
| Amazon indigenous group's lifestyle may hold a key to slowing down aging Posted: 26 May 2021 03:58 PM PDT The Tsimane indigenous people of the Bolivian Amazon experience less brain atrophy than their American and European peers. The decrease in their brain volumes with age is 70% slower than in Western populations. |
| Technology to monitor mental wellbeing might be right at your fingertips Posted: 26 May 2021 03:58 PM PDT To help patients manage their mental wellness between appointments, researchers have developed a smart device-based electronic platform that can continuously monitor the state of hyperarousal, one of the signs of psychiatric distress. They said this advanced technology could read facial cues, analyze voice patterns and integrate readings from built-in vital signs sensors on smartwatches to determine if a patient is under stress. |
| People prefer 'natural' strategies to reduce atmospheric carbon Posted: 26 May 2021 03:58 PM PDT A cross-disciplinary collaboration found that a majority of the U.S. public is supportive of soil carbon storage as a climate change mitigation strategy, particularly when that and similar approaches are seen as 'natural' strategies. |
| Brain tumors caused by normal neuron activity in mice predisposed to such tumors Posted: 26 May 2021 10:21 AM PDT Researchers have found that normal exposure to light can drive the formation and growth of optic nerve tumors in mice -- and maybe people -- with a genetic predisposition. Such tumors can lead to vision loss. |
| Electric fish -- and humans -- pause before communicating key points Posted: 26 May 2021 10:21 AM PDT Electric fish pause before sharing something particularly meaningful. Pauses also prime the sensory systems to receive new and important information. The study reveals an underlying mechanism for how pauses allow neurons in the midbrain to recover from stimulation. |
| Don't count on caffeine to fight sleep deprivation Posted: 26 May 2021 08:55 AM PDT Sleep scientists assessed how effective caffeine was in counteracting the negative effects of sleep deprivation on cognition. |
| Non-parents expand 'facial dexterity' in caring for infants among primates Posted: 26 May 2021 08:55 AM PDT Non-parents expand the range of their facial expressions in caring for infants among primates. The study shows the ability, among non-relatives, to both decipher facial expressions and to be attuned to others' emotional states, revealing the evolutionary nature of communication. |
| Researchers discover fundamental roles of glucosamine in brain Posted: 26 May 2021 08:47 AM PDT Using novel imaging methods for studying brain metabolism, researchers have identified the reservoir for a necessary sugar in the brain. Glycogen serves as a storage depot for the sugar glucose. |
| Deciphering structure of a toxic matter that destroys the nerves in the brain Posted: 26 May 2021 06:30 AM PDT Researchers reveal the structure of a hetero-oligomer nano-aggregate - a substance that causes Parkinson's and dementia - through quadruple force mapping. |
| Memory details fade over time, with only the main gist preserved Posted: 26 May 2021 05:50 AM PDT What information is retained in a memory over time, and which parts get lost? These questions have led to many scientific theories over the years, and now a team of researchers have been able to provide some answers. |
| Why a vacation seems like it will end as soon as it begins Posted: 26 May 2021 05:50 AM PDT Time not only flies when you're having fun - sometimes anticipating a fun event makes it feel like it will be over as soon as it begins, a new study suggests. Researchers found that people judge future positive events as being both farther away as well as shorter in duration than negative or neutral events. |
| Researchers discover oligodendrocyte loss and subtype alteration in CTE brains Posted: 24 May 2021 08:01 AM PDT While many of the scientific studies to date have focused on repetitive head trauma leading to the development of abnormal tau, a new study provides insights into white matter changes that may offer new targets for therapies. |
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