Associativity
Associativity (Medicine)
Associativity (pronounced as: ah-soh-see-uh-tiv-uh-tee) is a term used in various fields of medicine, including neurology, psychology, and genetics. It refers to the principle that the grouping of elements does not change the outcome of an operation. In the context of medicine, it often refers to the way in which different factors or variables interact and influence each other in a health-related context.
Etymology
The term "associativity" originates from the Latin word "associare", which means "to join" or "to connect". It was first used in the mathematical context in the 19th century, and has since been adopted in various scientific fields, including medicine.
Neurology
In neurology, associativity refers to the phenomenon where the simultaneous stimulation of two neurons leads to a stronger synaptic connection. This is a fundamental principle of Hebbian theory, which postulates that neurons that fire together, wire together.
Psychology
In psychology, associativity is a key concept in classical conditioning, where it refers to the process by which two stimuli become associated with each other. This principle is fundamental to our understanding of how learning and memory work.
Genetics
In genetics, associativity refers to the principle that the effect of two or more genetic variants is not always simply the sum of their individual effects. This is a key concept in epistasis, where the effect of one gene is dependent on the presence of one or more 'modifier genes'.
Related Terms
External links
- Medical encyclopedia article on Associativity
- Wikipedia's article - Associativity
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