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          orexin

          This shows a woman's eye.
          FeaturedNeuroscienceVisual Neuroscience
          ·July 15, 2023·6 min read

          Pupil Size Regulated by Orexin, Not Stress Hormones

          Researchers have discovered that the neurotransmitter orexin, not the stress hormone noradrenaline, regulates pupil size, challenging prior understanding. Orexin neurons affect pupil size in response to emotional states and mental strain, not just light exposure.
          Read More
          This shows a brain against a sunset looking background
          FeaturedNeuroscience
          ·January 28, 2021·3 min read

          Risk-Taking Linked to Particular Brain Features

          Researchers found functional and anatomical differences in the brains of people who are more likely to embark on risky behaviors.
          Read More
          This shows a graph from the study
          FeaturedNeurosciencePsychology
          ·November 2, 2020·2 min read

          Sleep-Deprived Mice Find Cocaine More Rewarding

          Mouse study reveals sleep deprivation can increase the risk of cocaine addiction. Too little sleep increases the reward properties of cocaine, researchers report.
          Read More
          woman sleeping
          FeaturedNeuroscienceOpen Neuroscience Articles
          ·January 11, 2019·5 min read

          Sleeping Though a Fire Alarm: Benzodiazepines Prevent Ability to Wake in Response to Threat

          Researchers report popular benzodiazepine sleep medications, such as Ambien and Halcion, caused test subjects to sleep through fire alarm drills. However, a newly developed class of sleeping medications perverse the ability to wake in response to threat.
          Read More
          a rodent brain slice
          FeaturedNeuroscience
          ·August 26, 2018·4 min read

          Key Brain Circuits for Reward Seeking and Avoidance Behavior Identified

          Researchers have identified two subpopulations of neurons in the BNST that connect to separate populations of neurons in the lateral hypothalamus which appear to drive two opposing emotional states; avoidance and reward seeking
          Read More
          sleep and awake
          FeaturedNeuroscience
          ·July 20, 2018·3 min read

          A Peek Into the Interplay Between Sleep and Wakefulness

          Researchers have identified novel neural pathways that help regulate sleep and wakefulness.
          Read More
          clock
          FeaturedNeuroscience
          ·May 15, 2018·4 min read

          How Melatonin Promotes Sleep

          According to a new study, melatonin works by suppressing neurons that keep you awake and alert. The findings could pave the way for new treatments for insomnia.
          Read More
          Image shows woman holding her head and wearing a mask.
          FeaturedNeurologyPsychology
          ·June 26, 2017·5 min read

          Exposure to Light Causes Emotional and Physical Responses in Migraine Sufferers

          A new study reveals a connection between light sensitive nerve cells in the eyes and areas of the brain that regulate mood. The findings may help explain how light can induce some of the negative emotions that often accompany migraines.
          Read More
          Image shows hypothalamus GAD65 neurons.
          FeaturedNeuroscienceOpen Neuroscience Articles
          ·April 11, 2017·3 min read

          The Brain Cells That Keep Mice Active

          A new study provides insight into the neurobiology behind the motivation to be active.
          Read More
          Image shows the neural activity during sleep.
          FeaturedNeuroscienceOpen Neuroscience Articles
          ·April 5, 2017·4 min read

          Deep Sleep May Act As Fountain of Youth in Old Age

          Natural, restorative sleep can help stave off mental and physical decline as we age.
          Read More
          Image shows chemical structure of orexin and ynt-185.
          FeaturedNeuroscience
          ·November 18, 2015·2 min read

          New Compound Regulates Wakefulness and Remedies Narcolepsy

          Researchers have developed a new compound that promotes wakefulness and acts as a remedy for narcolepsy in animal models.
          Read More
          The image shows the differences between normal bones and those of people with osteoporosis.
          FeaturedGenetics
          ·June 13, 2014·3 min read

          Proteins Causing Daytime Sleepiness Tied to Bone Formation

          Researchers discover Orexin, a protein associated with daytime sleepiness, may also play a critical role in bone development.
          Read More
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          This shows a brain.

          Predicting PTSD: Brain Scans Unravel Trauma’s Long-term Effects

          This shows a woman's head.

          Brain’s Molecular Response to Psychological Loss

          This shows neurons.

          Brain’s Dual-Chemical Switch for Attention Revealed

          This shows a group of friends talking.

          Brain Region That Links Language to Social Cognition Identified

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