external stimuli

См. также в других словарях:

• external — On the outside or farther from the center; often incorrectly used to mean lateral. SYN: externus [TA]. [L. externus] * * * ex·ter·nal ek stərn əl adj 1) capable of being perceived outwardly: BODILY <external signs of a disease> 2 a)… …   Medical dictionary

• Stimuli et Clavi — i. e. theses adversus huius temporis errores et abusus: Spieße und Nägel d.i. Streitsätze wider die Irrnisse und Wirrnisse unserer Zeit (Goads and Nails, that is, Theses Against Errors and Abuses of This Time). 95 theses published by North German …   Wikipedia

• mechanoreception — See mechanoreceptor. * * * Ability to detect and respond to mechanical stimuli in one s environment. A slight deformation of a mechanoreceptive neuron causes an electric charge at its surface, activating a response. Mechanoreceptors in pain spots …   Universalium

• animal behaviour — Introduction       any activity of an intact organism.       A living animal behaves constantly in order to survive, and all animals must solve the same basic problems. They must, for instance, periodically replace their energy source (consume… …   Universalium

• nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

• motivation — motivational, adj. motivative, adj. /moh teuh vay sheuhn/, n. 1. the act or an instance of motivating. 2. the state or condition of being motivated. 3. something that motivates; inducement; incentive. [1870 75; MOTIVE + ATION] * * * Factors… …   Universalium

• attention — attentional, adj. n. /euh ten sheuhn/; interj. /euh ten shun /, n. 1. the act or faculty of attending, esp. by directing the mind to an object. 2. Psychol. a. a concentration of the mind on a single object or thought, esp. one preferentially… …   Universalium

• nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

• endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

• hallucination — hallucinational, hallucinative /heuh looh seuh nay tiv, neuh tiv/, adj. /heuh looh seuh nay sheuhn/, n. 1. a sensory experience of something that does not exist outside the mind, caused by various physical and mental disorders, or by reaction to… …   Universalium