Neurons are the basic cellular processing unit of the brain. Information is transmitted through the brain via the electrochemical activity of some 100 billion neurons. These are highly specialized cells capable of exchanging information via electrochemical signaling. The electrical process of neural signals occurs within the neuron’s cell body

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3D representation of a neuron. Seen at the end of the video is the release of neurotransmitters from a presynaptic terminal into a synapse.