Parkinson's is associated with a higher risk of cognitive impairment and dementia that can severely impact quality of life. Cognitive symptoms include deficits in attention and mental flexibility, among others, and can pre-date ...
Jul 11, 2024
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The Institute of Neurosciences (IN), a joint center of the Spanish National Research Council (CSIC) and the Miguel Hernández University (UMH) of Elche, leads, together with Keio University in Tokyo, a study that demonstrates ...
Jul 10, 2024
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For the first time, scientists at The Hospital for Sick Children (SickKids) used advanced imaging technology at the SickKids Nanoscale Biomedical Imaging Facility to reveal the atomic structure of an enzyme that neurons use ...
Jun 21, 2024
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Biomedical engineers at Duke University have developed a method to deliver drugs to specific types of neurons throughout the brain. This new approach, which was tested in mice, was 100 times more precise than existing methods ...
Jun 18, 2024
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A new study, led by Professors Mashaghi and Clevers from Leiden University and Hubrecht Institute in the Netherlands, has introduced a novel approach using intestinal organoids to uncover the mechanism of gastrointestinal ...
Jun 14, 2024
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A link between the neurotransmitter dopamine and the mentalizing abilities of healthy people has been identified for the first time in a new study.
Jun 13, 2024
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Scientists have discovered genetic clues to the cause of restless leg syndrome, a condition common among older adults. The discovery could help identify those individuals at greatest risk of the condition and point to potential ...
Jun 5, 2024
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The neurotransmitter dopamine has often been linked to pleasure-seeking behaviors and making stimuli paired with rewards (e.g., food, drinks) valuable. Nonetheless, the processes through which this key chemical messenger ...
It's a Saturday afternoon at a kids' birthday party. Hordes of children are swarming between the spread of birthday treats and party games. Half-eaten cupcakes, biscuits and lollies litter the floor, and the kids seem to ...
May 28, 2024
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More than 29.5 million Americans ages 12 and up had alcohol use disorder—the medical term for the disease commonly known as alcoholism—in 2022, when the most recent national data was published.
May 20, 2024
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Neurotransmitters are endogenous chemicals which relay, amplify, and modulate signals between a neuron and another cell. Neurotransmitters are packaged into synaptic vesicles that cluster beneath the membrane on the presynaptic side of a synapse, and are released into the synaptic cleft, where they bind to receptors in the membrane on the postsynaptic side of the synapse. Release of neurotransmitters usually follows arrival of an action potential at the synapse, but may follow graded electrical potentials. Low level "baseline" release also occurs without electrical stimulation.
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