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Interhemispheric transfer of paired associative stimulation-induced plasticity in the human motor cortex.
Neuroreport. 2011 Mar 09; 22(4):166-70.N

Abstract

To evaluate the interhemispheric interaction of paired associative stimulation (PAS)-induced plasticity, we performed a transcranial magnetic stimulation study on nine healthy volunteers after PAS, motor evoked potentials were significantly enhanced in both the nonstimulated and stimulated primary motor cortex (M1). Short-interval intracortical inhibition and intracortical facilitation were not changed in the nonstimulated M1, but interhemispheric inhibition was significantly reduced after PAS. Motor evoked potential enhancement in the nonstimulated M1 was significantly correlated to that in the stimulated M1 and tended to correlate with the degree of pre-PAS interhemispheric inhibition. These results show that PAS-induced plasticity in the dominant M1 can transfer to contralateral M1 depending on the amount of plastic change induced in the stimulated M1 and, also probably, on the amount of transcallosal connection.

Authors+Show Affiliations

Department of Neurology and Brain Research Institute, Yonsei University College of Medicine, Seoul, South Korea.No affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

21263361

Citation

Shin, Hae-Won, and Young H. Sohn. "Interhemispheric Transfer of Paired Associative Stimulation-induced Plasticity in the Human Motor Cortex." Neuroreport, vol. 22, no. 4, 2011, pp. 166-70.
Shin HW, Sohn YH. Interhemispheric transfer of paired associative stimulation-induced plasticity in the human motor cortex. Neuroreport. 2011;22(4):166-70.
Shin, H. W., & Sohn, Y. H. (2011). Interhemispheric transfer of paired associative stimulation-induced plasticity in the human motor cortex. Neuroreport, 22(4), 166-70. https://doi.org/10.1097/WNR.0b013e3283439511
Shin HW, Sohn YH. Interhemispheric Transfer of Paired Associative Stimulation-induced Plasticity in the Human Motor Cortex. Neuroreport. 2011 Mar 9;22(4):166-70. PubMed PMID: 21263361.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Interhemispheric transfer of paired associative stimulation-induced plasticity in the human motor cortex. AU - Shin,Hae-Won, AU - Sohn,Young H, PY - 2011/1/26/entrez PY - 2011/1/26/pubmed PY - 2011/12/14/medline SP - 166 EP - 70 JF - Neuroreport JO - Neuroreport VL - 22 IS - 4 N2 - To evaluate the interhemispheric interaction of paired associative stimulation (PAS)-induced plasticity, we performed a transcranial magnetic stimulation study on nine healthy volunteers after PAS, motor evoked potentials were significantly enhanced in both the nonstimulated and stimulated primary motor cortex (M1). Short-interval intracortical inhibition and intracortical facilitation were not changed in the nonstimulated M1, but interhemispheric inhibition was significantly reduced after PAS. Motor evoked potential enhancement in the nonstimulated M1 was significantly correlated to that in the stimulated M1 and tended to correlate with the degree of pre-PAS interhemispheric inhibition. These results show that PAS-induced plasticity in the dominant M1 can transfer to contralateral M1 depending on the amount of plastic change induced in the stimulated M1 and, also probably, on the amount of transcallosal connection. SN - 1473-558X UR - https://www.unboundmedicine.com/medline/citation/21263361/Interhemispheric_transfer_of_paired_associative_stimulation_induced_plasticity_in_the_human_motor_cortex_ L2 - http://dx.doi.org/10.1097/WNR.0b013e3283439511 DB - PRIME DP - Unbound Medicine ER -