orienting response

see under reflex.

Medical dictionary. 2011.

Look at other dictionaries:

  • Orienting response — The orienting response, also called orienting reflex, is an organism s immediate response to a change in its environment, when that change is not sudden enough to elicit the startle reflex. The phenomenon was first described by Russian… …   Wikipedia

  • orienting reflex — the response of an animal to an unexpected or novel stimulus or alteration of a stimulus; it involves adjustments of head, body, or sensory organs to pay close attention to the stimulus. In higher vertebrates including humans it is mediated at… …   Medical dictionary

  • response — 1. The reaction of a muscle, nerve, gland, or other excitable tissue to a stimulus. 2. Any act or behavior, or its constituents, that a living organism is capable of emitting. Reflexes are usually excluded because they are typically elicited by a …   Medical dictionary

  • Orienting system — The orienting system describes a system whereby reflexive and more controlled eye movements are initiated as part of the attentional response. The orienting system involves the superior colliculus, magno cells in the pulvinar (thalamus) and the… …   Wikipedia

  • Galvanic skin response — (GSR), also known as electrodermal response (EDR), psychogalvanic reflex (PGR), or skin conductance response (SCR), is a method of measuring the electrical resistance of the skin. There has been a long history of electrodermal activity research,… …   Wikipedia

  • Eye Movement Desensitization and Reprocessing — (EMDR) is a form of psychotherapy that was developed to resolve symptoms resulting from disturbing and unresolved life experiences. It uses a structured approach to address past, present, and future aspects of disturbing memories. The approach… …   Wikipedia

  • Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

  • 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

  • Соколов, Евгений Николаевич — В Википедии есть статьи о других людях с такой фамилией, см. Соколов. Евгений Николаевич Соколов Дата рождения …   Википедия

  • P3a — The P3a, or novelty P3,[1] is a component of time locked (EEG) signals known as event related potentials (ERP). The P3a is a positive going scalp recorded brain potential that has a maximum amplitude over frontal/central electrode sites with a… …   Wikipedia

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