(v. t.) To move suddenly, or be excited, on feeling alarm; to start.
(v. t.) To excite by sudden alarm, surprise, or apprehension; to frighten suddenly and not seriously; to alarm; to surprise.
(v. t.) To deter; to cause to deviate.
(n.) A sudden motion or shock caused by an unexpected alarm, surprise, or apprehension of danger.
Example Sentences:
(1) These later results suggest that dopamine agonists increase sensorimotor reactivity measured with acoustic startle by acting on sensory rather than motor parts of the reflex arc.
(2) The hypothesis that the standard acoustic startle habituation paradigm contains the elements of Pavlovian fear conditioning was tested.
(3) But that promise was beginning to startle the markets, which admire Monti’s appetite for austerity and fear the free spending and anti-European views of some Italian politicians.
(4) Both startle amplitude and onset latency showed significantly greater facilitation in the preschool children than in the 8-year-olds and adults.
(5) flexion, stretch, rolling, startle, jumping (stepping), and writhing.
(6) Three response patterns were scored: (1) no startle, (2) startle without response decrement, and (3) response decrement by 12 stimuli.
(7) More importantly, motor and cardiovascular responses to startle may be separated through discrimination of afferent stimuli suggesting either differences in neural pathways for acoustic and tactile stimuli or a differential dependency of the various responses on stimulus characteristics.
(8) The startle-elicited increase in blood pressure was significantly elevated in SHRs and at the same time the acoustic startle response was depressed as compared to WKY rats.
(9) A placebo effect could not definitely be ruled out, but the startling changes seen in patients who had been followed for years with other forms of therapy suggest strongly that this improvement was genuine.
(10) In general, conditions that affect the amplitude of the acoustic startle reflex similarly influence the disruptive effect of a noise burst on motor performance, but the two measures are not correlated in the detail necessary to suggest a causative relationship.
(11) The results are compared to other drugs known to affect the startle reflex.
(12) In awake rats the latency of auditory startle recorded electromyographically in the neck is about 5 ms, suggesting that the primary component of this brainstem reflex is mediated by a neural circuit with only a few synapses.
(13) A series of seven experiments related amplitude and latency of the pigeon's startle response, elicited by an intense visual stimulus, to antecedent auditory and visual events in the sensory environment.
(14) The acoustic startle response (ASR) of male rats was measured during several sessions over a 24-hr period in both a light-dark cycle and a constant-dark condition.
(15) That dramatically shifts the focus back to us, the programme makers, to come up with more, new, startling ideas, absolutely unmissable storylines and settings, the sharpest writing.
(16) Because ammocoetes are burrowing filter feeders, this startle behavior results in rapid withdrawal of the head into the burrow.
(17) Startle was indexed by the eyeblink, which was measured by vertical electro-oculography.
(18) In the present work no significant differences were found between the behaviour of FG7142-kindled rats and vehicle-treated controls in social interaction test, elevated plus maze, or the Vogel conflict test of anxiety or in tests of home cage aggression or startle responses.
(19) The first attempted to determine a sonic boom level below which startle would not occurr.
(20) It is able to (1) sample startle responses from 5 animals simultaneously during a specific time band after the eliciting stimulus; (2) convert the analogue startle amplitudes into 2-digit numbers; (3) print the digital results of each startle in each animal; (4) add up the startle amplitudes for each rat over a preset number of stimuli and print the totals; (5) print the interstimulus interval and (6) code for up to six diferent types of trials.
Stun
Definition:
(v. t.) To make senseless or dizzy by violence; to render senseless by a blow, as on the head.
(v. t.) To dull or deaden the sensibility of; to overcome; especially, to overpower one's sense of hearing.
(v. t.) To astonish; to overpower; to bewilder.
(n.) The condition of being stunned.
Example Sentences:
(1) The dispute is rooted in the recent erosion of many of the freedoms Egyptians won when they rose up against Mubarak in a stunning, 18-day uprising.
(2) The brightly lit ice palaces themselves are stunning, inside and out, and the sporting facilities have been rightly praised by almost all the athletes.
(3) Impulses sufficiently large to stun adult sheep, with a non-penetrating impact head, were produced from an adapted Hantover pneumatic cattle stunner.
(4) Nevertheless between 18% and 20% appear to have done so – a stunning result for the far right.
(5) And as for this job, well, not that I have a choice but … fuck it, I quit.” A stunned colleague then told viewers: “All right we apologise for that … we’ll, we’ll be right back.” The station later apologised to viewers on Twitter: KTVA 11 News (@ktva) Viewers, we sincerely apologize for the inappropriate language used by a KTVA reporter on the air tonight.
(6) In the ECMO patient, cardiac stun syndrome and electromechanical dissociation can be confused with low circuit volume, pneumothorax, or cardiac tamponade.
(7) Alternatively, a loss of collagen tethers or decline in matrix tensile strength can be responsible for regional or global transformations in myocardial architecture and function seen in the reperfused ("stunned") myocardium and in dilated (idiopathic) cardiopathy.
(8) The speed of the advance and strength of the weaponry used has stunned the autonomous enclave.
(9) Considerable evidence indicates that calcium antagonists administered prior to coronary occlusion attenuate postischemic stunning in the canine model: verapamil, diltiazem, and amlodipine have been shown to restore contractile function to 50-100% of baseline values during the initial hours following relief of ischemia.
(10) In models of prolonged ischemia (2 hours) followed by reperfusion, we have not observed a beneficial effect of scavengers on stunned myocardium.
(11) The present study tested the hypothesis that a reduction in calcium flux across the sarcolemma or the sarcoplasmic reticulum at the onset of reperfusion could attenuate subsequent mechanical "stunning" (postischemic myocardial dysfunction).
(12) Thus myocardial "stunning" is a nonuniform phenomenon with maximal severity in the subendocardium.
(13) The Tasmanian writer said he was “stunned” to be in the running for the prestigious UK-based literary prize, which for the first time has been opened to authors of any nationality.
(14) The draft released last Monday had been hailed by some church observers and gay rights groups as “a stunning change” in how the Catholic hierarchy talked about gay people.
(15) In fact, I'm stunned at how good the place that I am in is.
(16) Myocardial "Stunning" is characterized by a reversible post-ischemic contractile dysfunction despite full restoration of blood flow.
(17) There's a stunning atmosphere in Wembley tonight, one even the Sheffield Wednesday band can't bugger up.
(18) It was similar between dog and rabbit hearts (about 40%) and was not significantly affected by enhanced contractility with calcium, epinephrine, or cardiac cooling, or by depressed contractility with propranolol, decreased coronary perfusion pressure, or stunned myocardium.
(19) RBS starts charging financial customers to park their cash Read more The disposal of W&G is proving troublesome and expensive for RBS, which stunned the City last month by admitting it was abandoning its attempt to float the business on the stock market.
(20) He tells an amusing story of how exhilarated, if stunned, he was by completing three skeleton runs at Lillehammer.