physiological reaction


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Noun1.physiological reaction - an automatic instinctive unlearned reaction to a stimulusphysiological reaction - an automatic instinctive unlearned reaction to a stimulus
accommodation reflex - reflex changes in the eyes that enable an object to be focused on the retina
Babinski, Babinski reflex, Babinski sign - extension upward of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front; normal in infants under the age of two years but a sign of brain or spinal cord injury in older persons
belch, burp, burping, eructation, belching - a reflex that expels gas noisily from the stomach through the mouth
blink, blinking, eye blink, nictation, nictitation, winking, wink - a reflex that closes and opens the eyes rapidly
blush, flush - sudden reddening of the face (as from embarrassment or guilt or shame or modesty)
disgorgement, emesis, puking, vomiting, regurgitation, vomit - the reflex act of ejecting the contents of the stomach through the mouth
defecation reflex, rectal reflex - normal response to the presence of feces in the rectum
yawn, yawning, oscitance, oscitancy - an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; "he could not suppress a yawn"; "the yawning in the audience told him it was time to stop"; "he apologized for his oscitancy"
electrical shock, shock, electric shock - a reflex response to the passage of electric current through the body; "subjects received a small electric shock when they made the wrong response"; "electricians get accustomed to occasional shocks"
breaking wind, fart, farting, flatus, wind - a reflex that expels intestinal gas through the anus
gulping, gulp - a spasmodic reflex of the throat made as if in swallowing
response, reaction - a bodily process occurring due to the effect of some antecedent stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age"
knee jerk, knee-jerk reflex, patellar reflex - a reflex extension of the leg resulting from a sharp tap on the patellar tendon
light reflex, pupillary reflex, miosis, myosis - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
mydriasis - reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
micturition reflex - relaxation of the urethral sphincter in response to increased pressure in the bladder
gag reflex, pharyngeal reflex - normal reflex consisting of retching; may be produced by touching the soft palate in the back of the mouth
goose bump, goose pimple, goose skin, goosebump, gooseflesh, horripilation, pilomotor reflex - reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation
plantar reflex - flexion of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front in persons over the age of 2 years; under 2 years the results should be extension of the toes (Babinski reflex)
rooting reflex - reflex consisting of head-turning and sucking movements elicited in a normal infant by gently stroking the side of the mouth or cheek
startle, jump, start - a sudden involuntary movement; "he awoke with a start"
myotactic reflex, stretch reflex - reflex contraction of a muscle when an attached tendon is pulled; important in maintaining erect posture
suckling reflex - reflex behavior in newborn mammals; includes finding and grasping the nipple in the mouth and sucking on it and swallowing the milk
shiver, tremble, shake - a reflex motion caused by cold or fear or excitement
sneeze, sneezing, sternutation - a symptom consisting of the involuntary expulsion of air from the nose
hiccough, hiccup, singultus - (usually plural) the state of having reflex spasms of the diaphragm accompanied by a rapid closure of the glottis producing an audible sound; sometimes a symptom of indigestion; "how do you cure the hiccups?"
References in periodicals archive ?
He's improving in terms of his physiological reaction.
Questions - some trivial, some important - are then asked slowly with 30 seconds left in between each answer to allow for any physiological reaction to show.
As predicted, political conservatives tended to have a much stronger physiological reaction to the gross images than did liberals.
Holding 3D educational seminars (covering the principles of 3D, physiological reaction to 3D, 3D shooting and editing techniques).
While the physiological reaction may not always occur when exercising knowing that you have been to the gym or exercised will give you psychological buzz in knowing you are looking after your health.
As described above, the first emotional response to an object when it is evaluated is a bodily or physiological reaction (Randis and Guellette, 1925).
We are physical creatures, so I'm expecting a physiological reaction - like hot flushes and blushes - although I don't expect everyone's faces to light up like Christmas trees," he added.
shock: A potentially fatal physiological reaction to a variety of conditions, including illness, injury, hemorrhage and dehydration, usually characterized by marked loss of blood pressure, diminished blood circulation and inadequate blood flow to the tissues.
The case we describe shows that a moderate increase of serum hCG is a physiological reaction to hypogonadism, which is common in testicular cancer patients because of the disease and may occur in the absence of relapse.
The body's physiological reaction to time change may be complex, the researchers said, citing past research that has indicated that circadian clocks govern physiological rhythms in a great variety of tissues in the body, and that different aspects of the physiological clock can adjust to schedule changes at different rates.
Here is what is included in these treatments: 1) intensive education about the disorder and of the body's physiological reaction to stress and threat: 2) desensitization to the various physical sensations or triggers of panic through exposing a person to the actual object, situation, or thought; 3) learning relaxation, breathing, and stress management techniques; 4) restructuring dysfunctional thoughts and patterns.

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