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Memories May Not Live in Neurons’ Synapses | The finding could mean recollections are more enduring than expected and disrupt plans for PTSD treatments [Neuroscience: Neuroscience Books:]

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College Age Addictions

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How Neurons Work Poster/Graphic - Illustrates the structure and function of a neuron, including how it transmits electrical and chemical signals.

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Morphology of a chemical synapse. (A) The presynaptic terminal and postsynaptic neuron are separated by a fluid-filled synaptic cleft. Note that the presynaptic terminal contains synaptic vesicles, which contain neurotransmitter and active zones. Receptors for the transmitter are located on the postsynaptic membrane. Different types of central nervous system synapses include (B) axodendritic synapse, (C) axosomatic synapse, and (D) axoaxonic synapse. (E) In a symmetrical synapse, the…

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Neurotransmitters are chemical messengers secreted by neurons that activate an adjacent cell. Neurotransmitters are secreted into a synaptic cleft, rather than into the bloodstream.

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Synapse in Brain Deep inside the brain, a neuron prepares to transmit a signal to its target. To capture that expectant, fleeting moment with painstaking detail, science illustrator Graham Johnson based his elegant, highly accurate drawing on ultra-thin micrographs of sequential brain slices. The brain contains billions of neurons, whose network of chemical messages form the basis of all thought, movement and behavior. Johnson's illustration tells the story of one such millisecond signal.

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