|
rdf:type |
|
|
lifeskim:mentions |
umls-concept:C0030705,
umls-concept:C0034942,
umls-concept:C0205307,
umls-concept:C0242485,
umls-concept:C0443306,
umls-concept:C0524913,
umls-concept:C0681850,
umls-concept:C1550501,
umls-concept:C1706203,
umls-concept:C2349001,
umls-concept:C2697811
|
|
pubmed:issue |
12
|
|
pubmed:dateCreated |
1980-3-24
|
|
pubmed:abstractText |
The patellar tendon was tapped by random impulses of triangular waveform and motor unit spikes were recorded from the quadriceps femoris muscle. The cross-correlogram of the taps and the motor unit spikes revealed a primary correlation kernel, the width of which was interpreted as an indicator of the mean time-to-peak of excitatory postsynaptic potentials (EPSPs) elicited monosynaptically in an alpha-motoneurone by the triangular taps. The mean time-to-peak was 7.6 +/- 1.3 ms in normal subjects and 9.0 +/- 1.8 ms in spastic patients (P less than 0.005). The prolonged time-to-peak of EPSP in spastic patients is consistent with the hypothesis that as a result of degeneration of the corticomotoneuronal tract the Ia axons sprout and form more synaptic contacts on distal portions of the dendrites of alpha-motoneurones.
|
|
pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-1096270,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-13310166,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-13539657,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-13746644,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-13968075,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-188071,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-4251349,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-4293410,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-4306900,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-431881,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-4539685,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-4737872,
http://linkedlifedata.com/resource/pubmed/commentcorrection/533849-4851214
|
|
pubmed:language |
eng
|
|
pubmed:journal |
|
|
pubmed:citationSubset |
IM
|
|
pubmed:status |
MEDLINE
|
|
pubmed:month |
Dec
|
|
pubmed:issn |
0022-3050
|
|
pubmed:author |
|
|
pubmed:issnType |
Print
|
|
pubmed:volume |
42
|
|
pubmed:owner |
NLM
|
|
pubmed:authorsComplete |
Y
|
|
pubmed:pagination |
1100-5
|
|
pubmed:dateRevised |
2009-11-18
|
|
pubmed:meshHeading |
pubmed-meshheading:533849-Achilles Tendon,
pubmed-meshheading:533849-Electromyography,
pubmed-meshheading:533849-Evoked Potentials,
pubmed-meshheading:533849-Humans,
pubmed-meshheading:533849-Leg,
pubmed-meshheading:533849-Mechanoreceptors,
pubmed-meshheading:533849-Motor Neurons,
pubmed-meshheading:533849-Muscle Spasticity,
pubmed-meshheading:533849-Muscles,
pubmed-meshheading:533849-Reflex,
pubmed-meshheading:533849-Synapses
|
|
pubmed:year |
1979
|
|
pubmed:articleTitle |
Measurements of excitatory postsynaptic potentials in the stretch reflex of normal subjects and spastic patients.
|
|
pubmed:publicationType |
Journal Article
|
