News tagged with neurotransmitter

Related topics: brain · nerve cells · neurons · parkinson s disease · brain function

Neurotransmitter GABA predicts learning

In an international collaboration with the Johns Hopkins University (Baltimore, MD, USA), neuroscientists at the Ruhr-University Bochum have determined a link between brain levels of the neurotransmitter GABA, the main source ...

Dec 10, 2015
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Study reveals new mechanism in nicotine addiction

Part of the reason people find smoking difficult to quit is that each time they have a cigarette, feelings of craving, irritability and anxiety melt away. This component of addiction is known as negative reward and is controlled ...

Dec 01, 2015
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Neurotransmitter

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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