external stimulus

external stimulus
A signal (stimulus) that originates from outside an organism.

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  • stimulus — stimulus, stimulant, excitant, incitement, impetus can all mean an agent that arouses a person or a lower organism or a particualr organ or tissue to activity. Only the first three words have definite and common technical use. Stimulus, in this… …   New Dictionary of Synonyms

  • Stimulus — may refer to:*Sha Stimuli, a brooklyn based rapper. *Stimulus (band), an experimental band *Stimulus (physiology), something external that influences an activity *Stimulus (psychology), a concept in behaviorism *Input to a system in other fields… …   Wikipedia

  • stimulus — noun ADJECTIVE ▪ great, major, powerful, strong ▪ negative, positive ▪ conditioned, unconditioned …   Collocations dictionary

  • Stimulus (physiology) — In physiology, a stimulus is a detectable change in the internal or external environment. When a stimulus is applied to a sensory receptor, it elicits or influences a reflex via stimulus transduction. A stimulus is often the first component of a… …   Wikipedia

  • stimulus — [[t]stɪ̱mjʊlaɪ[/t]] stimuli N VAR A stimulus is something that encourages activity in people or things. Interest rates could fall soon and be a stimulus to the US economy... It is through our nervous system that we adapt ourselves to our… …   English dictionary

  • stimulus — n.; pl. stimuli [L. stimulus, a goad] Any change of external or internal conditions resulting in a change in the activities of an organism …   Dictionary of invertebrate zoology

  • stimulus — noun /ˈstɪm.jə.ləs/ a) Anything that may have an impact or influence on a system an economic stimulus b) Something external that elicits or influences a physiological or psychological activity or response …   Wiktionary

  • external — adj. External is used with these nouns: ↑affair, ↑agency, ↑aggression, ↑angle, ↑appearance, ↑assessment, ↑assistance, ↑auditor, ↑contractor, ↑course, ↑customer, ↑ …   Collocations dictionary

  • Chinese economic stimulus program — The stimulus includes plans to rebuild areas damaged by the 2008 earthquakes.[1] The 2008–2009 Chinese economic stimulus plan (simplified Chinese: 扩大内需十项措施; traditional Chinese …   Wikipedia

  • Economic Stimulus Act of 2008 — The Economic Stimulus Act of 2008 (USStatute|110|185|122|613|2008|02|13) is an Act of Congress providing for several kinds of economic stimulus intended to boost the United States economy in 2008 and to avert or ameliorate a recession. The… …   Wikipedia

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