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Why It's Hard To Remember Colors

Full article at http://neurosciencenews.com/visual-working-memory-color-2083/.

Though people can distinguish between millions of colors, we have trouble remembering specific shades because our brains tend to store what we’ve seen as one of just a few basic hues, a Johns Hopkins University-led team discovered.

The research is in Journal of Experimental Psychology: General. (full access paywall)

Research: "Why Some Colors Appear More Memorable Than Others: A Model Combining Categories and Particulars in Color Working Memory" by Bae, Gi-Yeul; Olkkonen, Maria; Allred, Sarah R.; and Flombaum, Jonathan I. in Journal of Experimental Psychology: General doi:10.1037/xge0000076

Image: When attempting to match hues, all subjects tended to err on the side of the basic, “best” colors, but the bias toward the archetypes amplified considerably when subjects had to remember the hue, even for less than a second. Image credit: Johns Hopkins University.

#neuroscience   #memory   #color   #vision  
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Sleep Deficit Linked to Accumulation of Alzheimer's Protein and Memory Loss

Full article at http://neurosciencenews.com/amyloid-beta-sleep-alzheimers-2079/.

Berkeley neuroscientists connect a deficit of restorative slumber to an accumulation of beta-amyloid.

The research is in Nature Neuroscience. (full access paywall)

Research: "β-amyloid disrupts human NREM slow waves and related hippocampus-dependent memory consolidation" by Bryce A Mander, Shawn M Marks, Jacob W Vogel, Vikram Rao, Brandon Lu, Jared M Saletin, Sonia Ancoli-Israel, William J Jagust and Matthew P Walker in Nature Neuroscience doi:10.1038/nn.4035

Image: Heavy deposits of the toxic protein, beta-amyloid, shown in red in the brain on the right, are linked to poor sleep and may be paving the way for Alzheimer's disease. A brain benefiting from deep sleep brain waves and an absence of beta-amyloid is shown on the left. Image courtesy of Bryce Mander and Matthew Walker.

#alzheimers #sleep   #neurology  
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B. Eder
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B vitamins. Fish Oil for circulation.
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Differences in Brain Development for Adolescents with Bipolar Disorder

Full article at http://neurosciencenews.com/brain-development-insula-bipolar-2078/.

In adolescents with bipolar disorder, key areas of the brain that help regulate emotions develop differently, a new study by Yale School of Medicine researchers shows.

The research is in Biological Psychiatry. (full access paywall)

Research: "Anterior Cortical Development During Adolescence in Bipolar Disorder" by Pablo Najt, Fei Wang, Linda Spencer, Jennifer A.Y. Johnston, Elizabeth T. Cox Lippard, Brian P. Pittman, Cheryl Lacadie, Lawrence H. Staib, Xenophon Papademetris, and Hilary P. Blumberg in Biological Psychiatry doi:10.1016/j.biopsych.2015.03.026

Image: The images show the brain regions (right insula and frontal cortex) where volume decreased more over approximately two years in adolescents with bipolar disorder, compared to adolescents without bipolar disorder. Image credit: Blumberg lab and Biological Psychiatry.

#bipolardisorder   #neuroscience   #psychology  
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Show the effect of MSG.
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Training the Brain to Become Pitch Perfect

New study finds some people can be trained to learn absolute pitch.

The research is in Cognition. (full access paywall)

#neuroscience   #learning  
A new study reports absolute pitch can be learned.
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Brain Circuitry That Controls Anxiety Provoking Decisions Identified

Full article at http://neurosciencenews.com/psychology-anxiety-decisions-striatum-2074/.

Some decisions arouse far more anxiety than others. Among the most anxiety-provoking are those that involve options with both positive and negative elements, such choosing to take a higher-paying job in a city far from family and friends, versus choosing to stay put with less pay.

The research is in Cell. (full access paywall)

Research: "A Corticostriatal Path Targeting Striosomes Controls Decision-Making under Conflict" by Alexander Friedman, Daigo Homma, Leif G. Gibb, Ken-ichi Amemori, Samuel J. Rubin, Adam S. Hood, Michael H. Riad, and Ann M. Graybiel in Cell doi:10.1016/j.cell.2015.04.049

Image: This image illustrates nerve fibers that originate in a part of the prefrontal cortex associated with emotion. The green shows the termination of fibers from a part of the prefrontal cortex in the striatum; the red depicts striosomes; and the yellow shows their overlap. The researchers found that the striatum — particularly the striosomes — may act as a gatekeeper that processes sensory and emotional information from the cortex to produce a decision on how to react. Image credit: The researchers.

#psychology   #anxiety  
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Wow that is so amazing stuff 😉 
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Sleep Away Your Social Biases

Can we learn to rid ourselves of our implicit biases regarding race and gender? A new Northwestern University study indicates that sleep may hold an important key to success in such efforts.

The research is in Science. (full access paywall)

#sleep   #discrimination   #psychology  
Habitual reactions to others could be altered during sleep based intervention, a new study reports.
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The simplest solution to bias is daily exposure to the subject.
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Stem Cell Discovery Sheds Light on How the Brain Regulates Mood and Memory

Scientists are one step closer to understanding how the brain regulates memory and mood, thanks to the discovery of two distinct types of stem cells.

The research is in Journal of Neuroscience. (full access paywall)

#genetics   #neuroscience  
Researchers have identified two types of stem cells in the hippocampus.
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Growing Eyes From Stem Cells

Embryonic stem cells give rise to three-dimensional, multilayered retinal tissue in a dish.

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

#genetics   #stemcells  
Researchers have successfully developed a method which allows stem cells to spontaneously grow into human retina cells.
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+stephen Obrenski​ false. And besides, disc regeneration has more going for it with adult stem cell not necessarily embryonic.
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Researchers Find Missing Link Between the Brain and Immune System

Full article at http://neurosciencenews.com/lymphatic-system-brain-neurobiology-2080/.

Implications profound for neurological diseases from autism to Alzheimer's to multiple sclerosis.

The research is in Nature. (full access paywall)

Research: "Structural and functional features of central nervous system lymphatic vessels" by Antoine Louveau, Igor Smirnov, Timothy J. Keyes, Jacob D. Eccles, Sherin J. Rouhani, J. David Peske, Noel C. Derecki, David Castle, James W. Mandell, Kevin S. Lee, Tajie H. Harris and Jonathan Kipnis in Nature doi:10.1038/nature14432

Image: Maps of the lymphatic system: old (left) and updated to reflect UVA's discovery. Image credit: University of Virginia Health System.

#neuroscience   #biology  
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Like a cat hang the kitten by the neck and let the fluids get to the brain!!!
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Amyloid Beta Causes Memory Loss Before Other Signs of Alzheimer's Begin

A brain protein believed to be a key component in the progress of dementia can cause memory loss in healthy brains even before physical signs of degeneration appear.

The research is in Scientific Reports. (full open access)

 #alzheimers #neurology #memory  
According to a new study, amyloid beta, a key component in Alzheimer's disease progression, can cause memory loss in healthy brains prior to the onset of dementia.
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+Martin Seidler Thanks for pointing the error out. I've corrected the article.
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Rest Prepares the Brain for Social Interaction

Full article at http://neurosciencenews.com/social-interaction-rest-psychology-2075/.

Even when we're resting, our brains are preparing us to be social, UCLA psychologists report.

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

Research: "The Default Mode of Human Brain Function Primes the Intentional Stance" by Robert P. Spunt, Meghan L. Meyer, and Matthew D. Lieberman in Journal of Cognitive Neuroscience doi:10.1162/jocn_a_00785

Image: Researchers asked people to to judge whether photo captions -- some focusing on a mental state, others on a physical description -- accurately described the images. Image credit: Robert Spunt.

#neuroscience   #psychology  
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She is thinking, 'I have read all that by when'
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Cerebellum Plays Unexpected Role in the Creative Process

A new study is the first to directly implicate the cerebellum in the creative process. As for the brain’s higher-level executive-control centers? Not so much.

The research is in Scientific Reports. (full open access)

#creativity   #neuroscience  
Researchers find heightened activity in the cerebellum when people embark in creative problem solving tasks.
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