ライフサイエンスコーパス: stretch reflex

1 ceptive afferents to prevent recovery of the stretch reflex.

2 -reflex, the electrical analog of the spinal stretch reflex.

3 a strong peripheral amplifier of the spinal stretch reflex.

4 jor contribution to the phase advance of the stretch reflex.

5 SPs in motoneurons, and the disappearance of stretch reflexes.

6 e input favours relatively tonic and diffuse stretch reflexes.

7 limb position sensation (proprioception) and stretch reflexes.

8 to influence the gain of artificially evoked stretch reflexes.

9 e 'natural' inputs involved in transcortical stretch reflexes.

10 contribute to maintain or even increase the stretch reflex after nerve crush and by difference to ne

11 lly replicating the concomitant reduction in stretch reflex amplitude.

12 n of muscle stretch differs from that of the stretch reflex amplitude.

13 gests that twitches trigger the monosynaptic stretch reflex and, by doing so, contribute to its activ

14 This pattern cannot be produced by muscle stretch reflexes and can only arise from the anticipator

15 ioceptors (muscle spindles) are required for stretch reflexes and locomotor control.

16 are likely to convey long-latency jaw-muscle stretch reflexes and may contribute to stiffness regulat

17 nerve transection, Ia afferent synapses and stretch reflexes are permanently lost, even after regene

18 he first demonstration that the long-latency stretch reflex can be modified by repeated, precisely ti

19 Alternatively, before movement onset, stretch reflexes can assist an imposed stretch, opposite

20 otoneurons (MNs), the central portion of the stretch reflex circuit, are highly specific, but the mec

21 connectivity in the cutaneous maximus muscle stretch reflex circuit.

22 responsible for synaptic selectivity in the stretch reflex circuit.

23 naptic connections with motoneurons form the stretch reflex circuit.

24 Stretch reflex circuits are a prime example of wiring sp

25 A common proposal is that stretch reflexes contribute to the regulation of limb st

26 ese findings are difficult to reconcile with stretch reflex control of the pendulum and are of partic

27 -reflex, the electrical analog of the spinal stretch reflex, creates a memory trace that includes cha

28 LUT1 synapses are not re-established and the stretch reflex does not recover; however, electrically e

29 velocity dependent, increase in muscle tonic stretch reflexes, due to the amplified reactivity of mot

30 sms responsible for spinal modulation of the stretch reflex during human locomotion.

31 s an electrical analogue of the monosynaptic stretch reflex, elicited by bypassing the muscle spindle

32 However, their interaction with stretch reflexes evoked in the context of unimpeded natu

33 that reinnervated muscles failed to generate stretch reflexes, extending observations of areflexia to

34 Evidence of stretch reflex facilitation post-SCI may reflect changes

35 s make a large contribution in restoring the stretch reflex following nerve crush.

36 hesis that unpredicted motor events increase stretch reflex gain.

37 Descending pathways can modify H- and stretch-reflex gain in man.

38 The pathway mediating the monosynaptic stretch reflex has served as an important model system f

39 However, hyperactive stretch reflexes, hypertonicity, and the Babinski reflex

40 s on locomotion, the phase-dependency of the stretch reflexes implies a dynamically fluctuating role

41 eparate studies, we examined recovery of the stretch reflex in decerebrate cats, and found that it re

42 trate a previously uncharacterized nonneural stretch reflex in gastric muscles and provide physiologi

43 Stretch reflexes in all four muscles were found to be mo

44 s would manifest as temporal facilitation of stretch reflexes in human SCI.

45 The amplitude of biceps phasic stretch reflex increased with muscle contraction in a si

46 We used a landing movement, for which a stretch reflex is an integral part of the natural action

47 The human stretch reflex is known to produce a phase advance in th

48 The enhancement of stretch reflexes is suggestive of spasticity.

49 l disparity in recovery between strEPSPs and stretch reflex led us to conclude that factors in additi

50 The long-latency stretch reflex (LLSR) in human elbow muscles probably de

51 Here we show that stretch reflex modulation in tasks that require changes

52 evels (1 microM) decreased the monosynaptic "stretch" reflex (MSR) amplitude in WT animals and increa

53 bthreshold corticospinal conditioning of the stretch reflex of biceps and quadriceps was abnormal in

54 The amplitude of the long-latency stretch reflex of the contralesional hand decreased afte

55 loops appear to add flexibility to the human stretch reflex, once considered to be immutable, allowin

56 Operant conditioning of the spinal stretch reflex or its electrical analog, the H-reflex, p

57 etch of the calf muscles may be augmented by stretch reflexes or by central control.

58 tap to Tri evoked its own homonymous phasic stretch reflex, providing neurophysiological evidence fo

59 udy was designed to estimate the fraction of stretch reflex recovery attributable to functional recov

60 anding, and they produced no evidence of any stretch reflex response in soleus, or gastrocnemius.

61 o how the nervous system centrally modulates stretch reflex responses.A common measure of H-reflex ga

62 -and-hold perturbations used to elicit tonic stretch reflexes revealed significantly prolonged EMG re

63 In the stretch-reflex system, proprioceptive sensory neurons ma

64 tryptamine) from enterochromaffin cells, and stretch reflexes that determine the site of origin and p

65 Unlike the monosynaptic "stretch" reflex, the exact neuronal pathway for a simple

66 s the amplitudes of physiological tremor and stretch reflex to be decoupled.

67 ted that rapid motor responses (i.e., muscle-stretch reflexes) to mechanical perturbations can be mod

68 stationarity the amplitude of biceps phasic stretch reflex varied <10% in the first six repeats of t

69 both methods the magnitude of biceps phasic stretch reflex varied linearly with tap force over the r

70 troke the threshold of the homonymous phasic stretch reflex was low, but it had a normal onset latenc

71 elements in the sensorimotor circuit of the stretch reflex were examined in both the PNS and CNS.

72 Spinal stretch reflexes were measured following solid floor con

73 Approximately 7 h later, they returned, and stretch reflexes were remeasured.

74 ent low thresholds for the homonymous phasic stretch reflex, which had abnormally short onset latenci

75 as calf muscles shortened in contrast to the stretch reflex whose amplitude decreases as muscle short

76 exes, such as the vestibulo-ocular reflex or stretch reflex, whose gains adapt in response to novel a

77 Paradoxical movements cannot be generated by stretch reflexes with constant intrafusal drive but migh