NATS 1870 Chapter Notes - Chapter 14: Semipermeable Membrane, Thalamus, Photoreceptor Cell
21 Sep 2017
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Physiology of the human colour vision system ii. Neural signal (or electrochemical signal) refers to how neural cells (capable of transferring information via an electrochemical sequence) into neural signal. In the general process of photo-transduction, an incoming photon of light is eventually converted communicate with one another in the brain. into a neural signal (electric current owing. Often, this is called neuron ring. through neuron cells). Neural signal is simply the ow of electrically. It is a fairly complex process; these are the main charged particles (ions like na+ and k+) across stages in it: the membrane of the neuron cellls (like a zipper). Neurotransmitter: refers to a chemical sub stance used in neural communication at synapses. Synapses are connections of di erent parts of the neuron cells next to each other, without physical touching. Neurotransmitters are like batons passed between relay runners (adjacent axons/ synapses). There are up to 10 layers of specialized neuron cells in the retina.
