Medical dictionary. 2011.
interference — 1. The coming together of waves in various media in such a way that the crests of one series correspond to the hollows of the other, the two thus neutralizing each other; or so that the crests of the two series correspond, thus increasing the… … Medical dictionary
dissociation — 1. Separation, or a dissolution of relations. SYN: disassociation. 2. The change of a complex chemical compound into a simpler one by any lytic reaction, by ionization, by heterolysis, or by homolysis. 3 … Medical dictionary
dissociation and hallucinations — The term dissociation comes from the Latin words dis (apart, away from each other) and asso ciare (to gather, to unite). It was used as early as 1889 by the French philosopher and hypnotist Pierre Marie Félix Janet (1859 1947), and may have… … Dictionary of Hallucinations
atrioventricular dissociation — AV dissociation control of the atria by one pacemaker and of the ventricles by another, independent pacemaker; it may be due to heart block, to severe slowing of the sinus rhythm with activation of an ectopic pacemaker, to acceleration of an… … Medical dictionary
bruit — A harsh or musical intermittent auscultatory sound, especially an abnormal one. [Fr.] aneurysmal b. blowing murmur heard over an aneurysm. carotid b. a systolic murmur heard in the neck but not at the aortic … Medical dictionary
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Motivated forgetting — is a debated concept referring to a psychological defence mechanism in which people forget unwanted memories, either consciously or unconsciously.[1] There are times when memories are reminders of unpleasant experiences that make people angry,… … Wikipedia
Repressed memory — is a hypothetical concept used to describe a significant memory, usually of a traumatic nature, that has become unavailable for recall; also called motivated forgetting in which a subject blocks out painful or traumatic times in one s life. This… … Wikipedia
chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another … Universalium
sensory reception, human — Introduction means by which humans react to changes in external and internal environments. Ancient philosophers called the human senses “the windows of the soul,” and Aristotle described at least five senses sight, hearing, smell, taste, and… … Universalium
