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ScienceDaily: Mind & Brain News


Social media use increases depression and loneliness, study finds
Navigating our thoughts: Fundamental principles of thinking
Brain signature of depressed mood unveiled in new study
Can't sleep? Fruit flies and energy drinks offer new clues
Brain activity pattern may be early sign of schizophrenia
Culture may explain why brains have become bigger
Sensory neurons can be used to discover therapies for ALS
Scientists opening up access to science through DIY equipment
One type of brain cell might hold key to inflammation after head injury
Tiny molecule has big effect in childhood brain tumor studies


Social media use increases depression and loneliness, study finds



Posted: 08 Nov 2018 01:43 PM PST


Facebook, Snapchat, and Instagram may not be great for personal well-being. The first experimental study examining use of multiple platforms shows a causal link between time spent on these social media and increased depression and loneliness.


Navigating our thoughts: Fundamental principles of thinking



Posted: 08 Nov 2018 11:24 AM PST


Humans think using their brain's navigation system: Researchers combine individual threads of evidence to form a theory of human thinking.


Brain signature of depressed mood unveiled in new study



Posted: 08 Nov 2018 11:24 AM PST


New research has identified a common pattern of brain activity that may be behind low mood feelings, particularly in people who have a tendency towards anxiety. The newly discovered network is a significant advance in research on the neurobiology of mood, and could serve as a biomarker to help scientists developing new therapies to help people with mood disorders such as depression.


Can't sleep? Fruit flies and energy drinks offer new clues



Posted: 08 Nov 2018 11:23 AM PST


Like humans, fruit flies are active during the day, sleep at night and have similar sleep characteristics. A study has discovered a new gene and uncovered a mechanism that modulates sleep by controlling the movement of taurine -- a common ingredient found in many energy drinks -- into neuron cells of the fly brain. Taurine also is abundant in the human brain and is consistently elevated in blood and urine of sleep-deprived people.


Brain activity pattern may be early sign of schizophrenia



Posted: 08 Nov 2018 11:23 AM PST


Neuroscientists have identified a pattern of brain activity that is correlated with development of schizophrenia, which they say could be used as marker to diagnose the disease earlier.


Culture may explain why brains have become bigger



Posted: 08 Nov 2018 11:22 AM PST


A theory called the cultural brain hypothesis could explain extraordinary increases in brain size in humans and other animals over the last few million years, according to a new study.


Sensory neurons can be used to discover therapies for ALS



Posted: 08 Nov 2018 08:17 AM PST


Scientists have shown that mutations in specific genes that destroy motor neurons and thereby cause the devastating effects of amyotrophic lateral sclerosis -- also known as ALS or Lou Gehrig's disease -- also attack sensory neurons. The discovery indicates that studying sensory neurons could provide new mechanistic insights to prevent, slow, or even reverse ALS.


Scientists opening up access to science through DIY equipment



Posted: 08 Nov 2018 08:00 AM PST


Scientists have developed a piece of hardware to demonstrate how our brains function, as part of a growing range of equipment which uses DIY and 3D printable models to open up access to science education.


One type of brain cell might hold key to inflammation after head injury



Posted: 07 Nov 2018 02:28 PM PST


By eliminating one type of immune cell in the brain, researchers were able to erase any evidence of inflammation following traumatic brain injury, according to a new study.


Tiny molecule has big effect in childhood brain tumor studies



Posted: 07 Nov 2018 10:38 AM PST


A very small molecule under study is able to kill a childhood brain cancer, and the lead researcher said it may be possible to reduce by 90 percent the amount of chemotherapy and radiation required to kill such tumors.
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