What's the difference between flinch and jerk?

Flinch


Definition:

  • (v. i.) To withdraw from any suffering or undertaking, from pain or danger; to fail in doing or perserving; to show signs of yielding or of suffering; to shrink; to wince; as, one of the parties flinched from the combat.
  • (v. i.) To let the foot slip from a ball, when attempting to give a tight croquet.
  • (n.) The act of flinching.

Example Sentences:

  • (1) These findings could not be attributed to changes in flinch threshold as neither treatment nor time affected this measure.
  • (2) I noticed one of them hit him I don’t know where, but I saw him flinch,” Wilson said.
  • (3) Lesions of the central nucleus also decreased reactivity to shock (jumping and flinching) during shock presentation.
  • (4) She did not flinch when hostage-takers took over the Iranian embassy; most were killed by the SAS.
  • (5) Based on the mean thresholds obtained from a flinch-jump test, 8 rats were tested in a startle inhibition procedure with prestimulus intensities of 0.1, 0.2, 0.4, and 0.8 mA.
  • (6) Our forebears never flinched from modernising the Conservative party, so why should we?
  • (7) Burnham said that broadcasters cannot "flinch" from the need to look after contestants.
  • (8) Publication of the Prince Charles 'black spider' letters: live Read more But Kristina Kyriacou, the royal’s top media adviser, barely flinched when duty called as her protectee was confronted by the dogged Channel 4 reporter Michael Crick on Tuesday.
  • (9) In a second experiment it was observed that neither the shock-induced flinch nor the jump threshold was elevated after nigral lesions, suggesting that these lesions do not decrease the aversive motivational properties of foot shock.
  • (10) No change in the flinch-jump threshold was detected.
  • (11) Microinjections of morphine (10 microgram) at both sites significantly elevated the threshold of response in the flinch-jump test; but only at medial sites did naloxone (1 microgram) antagonise this effect.
  • (12) striker Clint Dempsey’s upcoming debut rap album , The Redux, choice rhymes including: “My game face won’t never flinch, “I’m beast mode, Marshawn Lynch.” O FIVERÃO LETTERS “We’ve all been there with Mario Balotelli (yesterday’s Bits and Bobs).
  • (13) This is the first time he even flinched, he smiled, went to mutter something, thought better of it and just carried on reading the paper.
  • (14) According to this hypothesis, the failure of these teratments to disrupt escape responding may be due to the fact that the unconditioned stimulus generates reflexive motor responses (flinch, jump, etc.)
  • (15) We know that when danger arrived in the halls of Sandy Hook Elementary, the school's staff did not flinch.
  • (16) For the coverage that I am getting – the fact that it covers previous conditions, the fact that it doesn’t flinch at cancer treatments, the fact that my copays are reasonable and the pharmacy prescription requirements allow me to get the drugs I need – it’s a remarkable bargain.
  • (17) When it emerged that Jeremy Corbyn’s first act as leader was to go to the pub and sing the Red Flag , bankers flinched and Tories sneered, yet it was no surprise to me.
  • (18) Nociceptive thresholds were measured by the flinch-jump test.
  • (19) Now the sleeves are rolled up for the business of telling the press his party will flinch from any coalition with Ukip or the Scots.
  • (20) After both players tussled, mutually kicking out, television replays suggested Cissé was complaining Evans had spat in his eye but other images showing the United centre-half flinching indicated that this was far from one-sided.

Jerk


Definition:

  • (v. t.) To cut into long slices or strips and dry in the sun; as, jerk beef. See Charqui.
  • (v. t.) To beat; to strike.
  • (v. t.) To give a quick and suddenly arrested thrust, push, pull, or twist, to; to yerk; as, to jerk one with the elbow; to jerk a coat off.
  • (v. t.) To throw with a quick and suddenly arrested motion of the hand; as, to jerk a stone.
  • (v. i.) To make a sudden motion; to move with a start, or by starts.
  • (v. i.) To flout with contempt.
  • (n.) A short, sudden pull, thrust, push, twitch, jolt, shake, or similar motion.
  • (n.) A sudden start or spring.

Example Sentences:

  • (1) The EMG silent periods (SP) produced in the open-close-clench cycle and jaw-jerk reflex were compared for duration before and after treatment with an occlusal bite splint.
  • (2) While tonic pupil and reduced sweating can be attributed to the affection of postganglionic cholinergic parasympathetic and sympathetic fibres projecting to the iris and sweat glands, respectively, the pathogenesis of diminished or lost tendon jerks remains obscure.
  • (3) In reflex-induced jerks this negative transient could be recognized as a component of the sensory evoked potential.
  • (4) A dynamic optimization technique to minimize jerk cost under the constraint on jerk input was applied to interpret the results, assuming that a major goal of skilled movements was to produce optimally smooth movements.
  • (5) The Peppers like to be jerks (at Dingwalls Swan dedicated a song to “all you whiney Britishers who can suck my American cock”), but don’t let the surface attitude fool you.
  • (6) Results from animal experiments and neuropathological studies suggest that the abolition of jerks in such cases is probably due to loss of facilitating influences from the cerebral cortex and central grey nuclei.
  • (7) Surgery caused or aggravated unilaterally diminished knee or ankle jerks in 3% and 10% of cases, respectively.
  • (8) This is a gladiatorial display – that is what people go to see.” Bray added: “The popular knee-jerk reaction will be we should ban airshows, but it’s very rare for such a crash to take place.
  • (9) High-frequency trading may or may not distort markets, but surely a knee-jerk reaction by banning it is not the answer.
  • (10) In order to overcome various drawbacks of the conventional polygraphic study of a relationship between myoclonus and EEG, the EEG preceding and following the myoclonic jerk was simultaneously averaged by the CNV program.
  • (11) Compared with the myoclonic-serotonergic syndrome evoked by 5-hydroxytryptophan in rats with 5.7-dihydroxytryptamine lesions, harmaline+5-hydroxytryptophan-treated rats displayed more continuous and greater axial myoclonic jerks and some postural differences.
  • (12) The effects of electrical stimulation and microinjection of sodium glutamate (0.5 M) in the sympathetic pressor areas of the dorsal medulla (DM), ventrolateral medulla (VLM), and parvocellular nucleus (PVC) on the knee jerk, crossed extension, and evoked potential of the L5 ventral root produced by intermittent electrical stimulation were studied in 98 adult cats anesthetized with chloralose and urethane.
  • (13) The knee jerk itself is seen as a "physiological artefact," resulting from a mode of stimulation that does not occur in life, with the normal function of its underlying circuitry still under debate.
  • (14) The patients did not significantly differ from controls on catch-up saccade amplitude, square wave jerk rate, or anticipatory saccade rate.
  • (15) It was confirmed that the technique of jerk-locked averaging with a backward averaging program was useful for detecting cortical spikes in association with the spontaneously occurring myoclonus, which are not recognized on the convential polygraph, and for evaluating the temporal and topographical relationship between the spike and the myoclonus.
  • (16) The typical electrophysiological correlates of myoclonus in Alzheimer's disease are similar to those of cortical reflex myoclonus, with a focal, contralateral negativity in the EEG preceding the myoclonic jerk.
  • (17) The analgesic effect of morphine in the rat tail jerk assay was enhanced by the serotonin uptake inhibitor, fluoxetine.
  • (18) In focal epileptic status, the single dose stopped paroxysmal activity and the associated clonic jerks for a few seconds.
  • (19) The occurrence of horizontal jerks with larger amplitudes than on Earth was observed during vertical optokinetic nystagmus in astronauts tested throughout a 7-day spaceflight.
  • (20) Only one patient felt his knee to be unstable (he had a positive pivot jerk).