What's the difference between jerking and perking?
Jerking
Definition:
(p. pr. & vb. n.) of Jerk
(n.) The act of pulling, pushing, or throwing, with a jerk.
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).
Perking
Definition:
(p. pr. & vb. n.) of Perk
Example Sentences:
(1) Furthermore, between matches, players can test all their new perks and weapons via an easily accessible firing range – instead of having to try them out in a match.
(2) He had earlier seen little support for his push to cut EU pay and perks.
(3) A number of companies, including B&Q, Tesco and Morrisons have raised basic pay only to cut perks and premium payments for weekend, holiday or late working.
(4) The company previously attracted heavy criticism with plans to eliminate the morning perk of free tea and toast handed out to staff across 230 stores.
(5) We’re not asking for perks, just for recognition on how hard we really do work, and not taking a pay cut is part of this.
(6) July 8, 2014 Richard Perks (@RichardP_Mintel) Has M&S been switching space from furniture to clothing to make the clothing figures look better?
(7) However, BA believes it has tempered willingness to strike by the threat to withdraw travel perks and by running a robust contingency schedule during 22 days for strikes during March, May and June.
(8) VIPs, VVIPs or even VVVIPs – almost all government officials – can receive perks ranging from free housing in listed villas with staff paid by the government, bodyguards who act as personal assistants, free flights, unobstructed passage through airports or train stations as well as a significant degree of de facto legal impunity.
(9) Yet, the current proposal appears aimed at ludicrously legislating the economic cycle and creating ever higher fixed salaries and perks for those leading the largest banks.
(10) BA has offered to reinstate staff travel perks but without the seniority clauses that give long-serving cabin crew priority over junior colleagues.
(11) The authors previously reported morning-to-evening changes in ophthalmic measurements at 3 months and at 1-year after radial keratotomy in a self-selected group of patients in the Prospective Evaluation of Radial Keratotomy (PERK) study.
(12) They did, however, let the dog diner sit on the banquette to eat his lunch – quite possibly a first – and swiftly perked up when the owner came out to greet him.
(13) There are 30 new weapons, including a new class of marksman rifles; Perks now have a points system, allowing you to buy several weaker options or opt for one or two really meaty specials.
(14) She apparently thought she could “conscientiously object” and keep the perks of the job she conscientiously objects to performing at the same time.
(15) Always a good cook, she had a Damascene moment one day when, looking for a way to perk up a slightly flat pasta dish, she gave it a squeeze of lemon.
(16) Should pensioners forfeit perks or Labour impose a higher corporation tax?
(17) More highly myopic patients in the PERK population (-4.50 to -8.00 diopters [D]) demonstrated corneas that are 0.08 to 0.10 mm steeper than the less myopic population (-2.00 to -3.12 D).
(18) A proposed deal was reached in May, but one which included sanctions against crew who had been on strike and deprived low-paid staff of travel perks.
(19) These days the Radiohead frontman tries to calm himself down – and perk up his spirits – with yoga and meditation.
(20) The business's values, which include "putting the happiness of partners at the centre of everything we do", have not always been fashionable but the formula of rewarding staff – on top of the bonus staff will receive discounts and perks ranging from subsidised holidays to sailing clubs and theatre outings worth £120m this year – went from strength to strength during the recession.