startle response
61Posttraumatic Stress Disorder — (PTSD) (See also Psychosis: Emergence: psychogenic [reactive] psychoses [1916].) Interest in the psychiatric consequences of trauma initially arose following the enactment of health and accident insurance systems in the second half of the… …
62posttraumatic stress disorder — noun an anxiety disorder associated with serious traumatic events and characterized by such symptoms as survivor guilt, reliving the trauma in dreams, numbness and lack of involvement with reality, or recurrent thoughts and images • Syn: ↑PTSD •… …
63Moro reflex — startle reflex a primitive reflex seen in newborn babies in response to the stimulus of a sudden noise or movement: the baby will fling its arms and legs wide and will appear to stiffen; the arms and legs are then drawn back into flexion. The… …
64Reflex — 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… …
65reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… …
66Disease — Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the… …
67Fear conditioning — is the method by which organisms learn to fear new stimuli. It is a form of learning in which fear is associated with a particular neutral context (e.g., a room) or neutral stimulus (e.g., a tone). This can be done by pairing the neutral stimulus …
68GLRA1 — Glycine receptor, alpha 1 (startle disease/hyperekplexia, stiff man syndrome), also known as GLRA1, is a human gene. PBB Summary section title = summary text = The inhibitory glycine receptor mediates postsynaptic inhibition in the spinal cord… …
69Moro reflex — The Moro reflex in a four day old infant: 1) the reflex is initiated by pulling the infant up from the floor and then releasing him; 2) he spreads his arms; 3) he pulls his arms in; 4) he cries (10 seconds) The Moro reflex, which is distinct from …
70Fetal movement — refers to motion of a fetus caused by its own muscle activity. Locomotor activity begins during the late embryological stage, and changes in nature throughout development. Muscles begin to move as soon as they are innervated. These first… …
