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[2] [3] This produces a signal which travels back to the spinal cord and synapses (without interneurons) at the level of L3 or L4 in the spinal cord, completely independent of higher centres. [4] From there, an alpha motor neuron conducts an efferent impulse back to the quadriceps femoris muscle , triggering contraction. [ 3 ]
Neurophysiology is a branch of physiology and neuroscience concerned with the functions of the nervous system and their mechanisms. The term neurophysiology originates from the Greek word νεῦρον ("nerve") and physiology (which is, in turn, derived from the Greek φύσις , meaning "nature", and -λογία , meaning "knowledge"). [ 1 ]
In rats (the animals that have been the most extensively studied), theta is seen mainly in two conditions: first, when an animal is walking or in some other way actively interacting with its surroundings; second, during REM sleep. [113] The function of theta has not yet been convincingly explained although numerous theories have been proposed ...
Research using an animal model of obsessive-compulsive disorder employed a standardized paradigm where the behavior of rats in a large open field was video recorded for 55 min on each test. Rat Macroscopic Video Obsessive-compulsive disorder No [2] Allen Brain Atlas: Atlas, stained sections from brains showing development and gene expression
Animal neurophysiology (1 P) B. Brain–computer interface (1 C, 44 P) N. ... Pages in category "Neurophysiology" The following 199 pages are in this category, out of ...
Pages in category "Animal neurophysiology" This category contains only the following page. This list may not reflect recent changes. A.
However, even sponges, unicellular animals, and non-animals such as slime molds have cell-to-cell signalling mechanisms that are precursors to those of neurons. [9] In radially symmetric animals such as the jellyfish and hydra, the nervous system consists of a nerve net , a diffuse network of isolated cells. [ 10 ]
The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.It consists of nervous tissue and is typically located in the head (cephalization), usually near organs for special senses such as vision, hearing and olfaction.