Reflex is the body’s response to stimulus. I distinguish conditioned and unconditioned reflexes.
Unconditioned reflexes are constant and innate. They are passed down from generation to generation within a particular species. These reflexes are manifested when exposed to a specific stimulus. Carried out with the help of the lower parts of the central nervous system.
Conditioned reflexes are acquired reactions during the life of a particular individual. They are individual and fickle. Unlike unconditioned, the higher central nervous system is involved in the formation of a conditioned reflex. In this case, the body’s reaction occurs not only to the action of the stimulus itself, but also to its properties.
The mechanism of formation of a conditioned reflex is due to the emergence in the central nervous system of a simultaneous reaction to a conditioned stimulus and excitation to the action of an unconditioned stimulus. A bond is formed between the foci of excitation, which has a limited duration. However, repeated exposure to these stimuli contributes to the strengthening of communication and the formation of a conditioned reflex.
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