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Memory Activation Before Exposure Reduces Life-Long Fear of Spiders

Studies show that up to 30 per cent of all people suffer an anxiety disorder at some point in their lives. Anxiety leads to great suffering for those affected, but can be treated with exposure therapy, in which the patient is gradually exposed to the object or context that provokes the reactions. If exposure therapy is successful, a new 'safe' memory is formed, which overshadows the old fear memory. But not everyone is helped by this treatment, in part because the learning that takes place during the treatment is not permanent; the memory may return at some point later on after an initially successful exposure. Memory researchers have now demonstrated that the improvement can be made more lasting.

The research is in Current Biology. (full access paywall)

#fear #spiders #psychology
Summary: Researchers report the effect of exposure therapy can be improved by disrupting the recreation of fear memories in arachnophobes.Source: Uppsala University.Many people suffer from anx
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Is it helpful for Alzheimer's patients !
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Mapping the Brain's Action Center

When you reach for that pan of brownies, a ball-shaped brain structure called the striatum is critical for controlling your movement toward the reward. A healthy striatum also helps you stop yourself when you've had enough.

The research is in Neuron. (full access paywall)
Summary: Researchers have developed a new technique to map the connectivity of neurons in the striatum.Source: Salk Institute.When you reach for that pan of brownies, a ball-shaped brain struc
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How Do Antidepressants Trigger Fear and Anxiety?

UNC School of Medicine researchers map the anxiety circuit in the brain and use a compound to limit fearful behavior – an acute side effect of commonly prescribed SSRI antidepressants.

The research is in Nature. (full access paywall)

#psychology #antidepressants
Summary: Researchers have mapped out a serotonin-driven anxiety circuit that may explain the side effects of anxiety and fear experienced by some patients taking SSRIs.Source: University of Nort
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+Jana Fialová Kučerová but we are not them.
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Cognitively Challenging Activities May Reduce Alzheimer's Risk

Are there any ways of preventing or delaying the development of Alzheimer's disease or other forms of age-associated dementia? While several previously published studies have suggested a protective effect for cognitive activities such as reading, playing games or attending cultural events, questions have been raised about whether these studies reveal a real cause-and-effect relationship or if the associations could result from unmeasured factors. To address this question, a Boston-based research team conducted a formal bias analysis and concluded that, while potentially confounding factors might have affected previous studies' results, it is doubtful that such factors totally account for observed associations between cognitive activities and a reduced risk of dementia.

The research is in Epidemiology. (full access paywall)
Summary: A new study strengthens previous research that claims performing cognitive tasks later in life may reduce the risk of developing dementia.Source: Mass General.Bias analysis shows any
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Identifying the Spark Plug That Ignites Nerve Cell Damage in ALS

Scientists from Harvard Medical School have identified a key instigator of nerve cell damage in people with amyotrophic lateral sclerosis, or ALS, a progressive and incurable neurodegenerative disorder.

The research is in Science. (full access paywall)

#als #neuroscience
Summary: Researchers have identified a key instigator of neural damage in people with ALS.Source: Harvard.Scientists from Harvard Medical School have identified a key instigator of nerve cell
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Disrupted Sleep Patterns May Lead to Increased Suicide Risk

The link between sleep problems and suicidal thoughts and behaviours is made starkly clear in new research from The University of Manchester

The research is in BMJ Open. (full access paywall)

#sleep #suicide
Summary: A new study reports on a link between sleep problems and suicidal thoughts.Source: University of Manchester.The link between sleep problems and suicidal thoughts and behaviours is ma
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ha, hardly sleep and never cross in mind to kill myself...
it about how strong u are, happiness in life
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A New Role For Cannabinoids in Vision

A multidisciplinary team including researchers from the Montreal Neurological Institute has improved our understanding of how cannabinoids, the active agent in marijuana, affect vision in vertebrates.

The research is in eLife. (full open access)

#cannabinoids #vision
Summary: Researchers report activating cannabinoid signalling can increase activity in retinal ganglion cells.Source: McGill University.Chemicals shown to improve low-light vision of tadpoles
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+Елена Бельдиева​ особливо це. 
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How Postsynaptic Density Forms and Why Defects Can Cause Autism

All neurons in our brain are wired via a micron-sized connection unit called synapse, and each synapse contains a layer of densely-packed, protein rich compartment called postsynaptic density (PSD), which is responsible for brain signal processing and transmission. Mutations of genes encoding PSD proteins are major causes of psychiatric disorders including autisms, schizophrenia, and intellectual disabilities (ID). While the existence of PSDs has been known to scientists for 60 years, how PSDs form and change in response to brain activities are poorly understood.

The research will appear in Cell.

#autism
Summary: A new study provides insights into why mutations altering the SynGAP/PSD-95 interaction can contribute to various brain disorders.Source: HKUST.All neurons in our brain are wired via
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I wish there were a cure. This sucks.
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Brain Reduces Cell Production to Help Us Cope in Unstable Times

People who experience job loss, divorce, death of a loved one or any number of life's upheavals often adopt coping mechanisms to make the situation less traumatic.

The research is in Journal of Neuroscience. (full access paywall)
Summary: A new study reports the brains of animals faced with disruptions in their social hierarchy produced far fewer new neurons in the hippocampus.Source: Princeton.People who experience jo
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How
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THC Makes Rats Lazy and Less Willing to Try Cognitively Demanding Tasks

New research from the University of British Columbia suggests there may be some truth to the belief that marijuana use causes laziness— at least in rats.

The research is in Journal of Psychiatry and Neuroscience. (full open access)

#thc #neuroscience
Summary: Researchers report that there may be some truth in the belief that marijuana causes laziness, in rats at least.Source: University of British Columbia.New research from the University
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Wow, some people get paid for this. It has been known for a long long time that Pot is a Muscle Relaxant. Just going to Relax now, later
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Using Ultrasound to Jump Start The Brain After Coma

New noninvasive technique may lead to low-cost therapy for patients with severe brain injury.

The research is in Brain Stimulation. (full access paywall)

#coma #neurology
Summary: Researchers have developed a new, non-invasive technique that could be used to treat patients with consciousness disorders.Source: UCLA.New noninvasive technique may lead to low-cost
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I was born with a scare on my brain. What in the he'll your better pray and thankgod you are able to drive and make your job to forward I can't do8 hours a day
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Stem Cells Fail to Launch in Some Genetic Cases of Microcephaly

Uncovering how genetic defects cause microcephaly may help Zika researchers.

The research is in Nature Communications. (full open access)

#microcephaly #neurology #genetics
Summary: According to researcher, in some genetic cases of microcephaly neural stem cells fail to divide.Source: Columbia University School of Medicine.Uncovering how genetic defects cause mic
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