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          olfaction

          This shows hippocampal cells.
          FeaturedNeuroscience
          ·April 25, 2024·7 min read

          Hybrid Brains: Mice with Rat Neurons Sense Smells

          Researchers made a groundbreaking advancement by developing mice with hybrid brains containing rat neurons, allowing them to perceive odors like rats. This innovation underscores the brain's remarkable flexibility to integrate and utilize cells from different species, potentially revolutionizing approaches to human-machine interfaces and cell transplantation therapies.
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          This shows an older man.
          FeaturedNeurologyNeuroscience
          ·April 11, 2024·6 min read

          Nose vs. Gut: Unraveling Parkinson’s Toxic Origins

          A pivotal hypothesis paper challenges existing theories on Parkinson's disease origins, proposing environmental toxicants as key culprits. This study suggests that Parkinson's can start from the brain's smell center or the gut, influenced by inhaled or ingested toxins.
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          This shows a nose.
          FeaturedNeuroscience
          ·April 5, 2024·5 min read

          Sense of Smell Relies on Predictive Coding More Than Vision

          Our sense of smell operates on predictive coding more so than vision, challenging previous notions of smell as a primitive sense. Through a series of experiments, including behavioral studies and fMRI brain imaging, the study highlights smell's sophistication in reacting to unexpected stimuli by engaging not just the olfactory but also the visual brain regions.
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          This shows a dog and a soldier.
          FeaturedNeurosciencePsychology
          ·March 28, 2024·4 min read

          Dogs Sniffing Out PTSD

          Dogs can be trained to detect stress-related volatile organic compounds (VOCs) in human breath, potentially identifying the onset of PTSD flashbacks. This groundbreaking study utilized two dogs to distinguish between the breath of individuals recalling traumatic experiences and control samples, achieving over 70% accuracy.
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          This shows a woman surrounded by smoke.
          FeaturedNeurologyNeuroscience
          ·March 12, 2024·8 min read

          Smell Loss Heightens Safety Risks

          A new study highlights the significant safety concerns and hazards faced by individuals with olfactory dysfunction, including a higher incidence of gas safety scares. The survey of 432 participants, conducted from February to September 2022, found that a large majority are concerned about their safety, particularly regarding gas leaks, smoke detection, and spoiled food, with over a third experiencing related hazardous events in the past five years.
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          This shows a woman sniffing lavender.
          FeaturedNeurosciencePsychology
          ·February 13, 2024·3 min read

          Scents Enhance Memory Recall in Depression

          Familiar scents can significantly aid individuals with depression in recalling specific autobiographical memories, potentially offering a new avenue for therapeutic intervention. By directly engaging the amygdala through olfactory cues, the research demonstrated that scents are more effective than verbal prompts in evoking vivid and specific memories.
          Read More
          This shows a brain
          FeaturedNeuroscience
          ·February 6, 2024·4 min read

          How Odors Influence Brain’s Decision Making Mechanism

          Researchers have uncovered a novel function of the hippocampus in decision making, showing that specific brain cells, known as 'time cells,' are stimulated by odors to facilitate rapid 'go, no-go' decisions.
          Read More
          This shows a fruit fly.
          FeaturedGeneticsNeuroscience
          ·February 5, 2024·4 min read

          Fruit Flies’ Sensory Evolution: A Whiff of Genetic Secrets

          Researchers mapped the sensory evolution of fruit flies, revealing how genetic variations enable them to adapt their sense of smell and taste to diverse environments. The team discovered that while most genes remain stable across generations, a significant number have evolved, leading to unique olfactory experiences among different fly species.
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          This shows a silkmoth.
          FeaturedNeuroscience
          ·January 17, 2024·7 min read

          Male and Female Silkmoths Perceive Odors Differently

          A study uncovers distinct olfactory worlds between male and female silkmoths, contrasting with the similar sense of smell in human males and females. Female silkmoths, previously thought to be attuned to mulberry tree odors for egg-laying, surprisingly respond more to silkworm feces odors, crucial after mating.
          Read More
          This shows neurons.
          FeaturedGeneticsNeurologyNeuroscience
          ·December 15, 2023·5 min read

          Alzheimer’s Alters COVID-19 Response in Olfactory Cells

          Researchers uncovered how Alzheimer's Disease (AD) impacts COVID-19 outcomes through changes in the olfactory mucosal cells. Their study focused on individuals with AD who experienced exacerbated COVID-19 symptoms.
          Read More
          This shows cars on a highway.
          FeaturedNeuroscience
          ·November 15, 2023·5 min read

          Traffic Ultrafine Particles Impact Human Olfactory Cells

          A new study reveals that ultrafine particles from traffic emissions significantly alter gene expression in human olfactory mucosa cells. This first-of-its-kind study combined analyses of diesel fuel emissions and their effects on a human-derived cell model.
          Read More
          This shows a woman sniffing a glass of wine.
          FeaturedNeuroscience
          ·October 31, 2023·3 min read

          How Neurons Help Decipher Wine Aromas and Other Scents

          Scientists unraveled how animals differentiate distinct scents, even those that seem remarkably similar. While some neurons consistently identify differing smells, others respond unpredictably, aiding in distinguishing nuanced aromas over time.
          Read More
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          This shows a middle aged woman.

          Mapping the Brain’s Resting Grid Through Menopause

          This shows a couple and DNA.

          Parental Infertility Biology, Not IVF, Linked to Child Autism Traits

          This shows supplement pills.

          Glucosamine Supplement Linked to Accelerated Alzheimer’s Progression

          This shows a brain and a kid's head.

          Silencing One Brain Gene May Reverse Autism Deficits

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