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Welcome to TMS Solutions' resource portal, Solute, where you will find the latest informative articles about mental health, neuromodulation techniques, and TMS.

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Sep 19, 2022 1:27:00 PM

Exploring the Role of the Left DLPFC in Fatigue During Unresisted Rhythmic Movements

SOURCE: Psychophysiology. 59(10):e14078, 2022 Oct.

AUTHORS: Vila-Villar A; Naya-Fernandez M; Madrid A; Madinabeitia-Mancebo E; Robles-Garcia V; Cudeiro J; Arias P

ABSTRACT: Understanding central fatigue during motor activities is important in neuroscience and different medical fields. The central mechanisms of motor fatigue are known in depth for isometric muscle contractions; however, current knowledge about rhythmic movements and central fatigue is rather scarce. In this study, we explored the role of an executive area (left dorsolateral prefrontal cortex [DLPFC]) in fatigue development during rhythmic movement execution, finger tapping (FT) at the maximal rate, and fatigue after effects on the stability of rhythmic patterns. Participants (n = 19) performed six sets of unresisted FT (with a 3 min rest in-between). Each set included four interleaved 30 s repetitions of self-selected (two repetitions) and maximal rate FT (two repetitions)
without rest in-between. Left DLPFC involvement in the task was perturbed by transcranial static magnetic stimulation (tSMS) in two sessions (one real and one sham). Moreover, half of the self-selected FT repetitions were performed concurrently with a demanding cognitive task, the Stroop
test. Compared with sham stimulation, real tSMS stimulation prevented waning in tapping frequency at the maximal rate without affecting perceived levels of fatigue. Participants ' engagement in the Stroop test just prior to maximal FT reduced the movement amplitude during this mode of execution. Movement variability at self-selected rates increased during Stroop execution, especially under fatigue previously induced by maximal FT. Our results indicate cognitive-motor interactions and a prominent role of the prefrontal cortex in fatigue and the motor control of simple repetitive movement patterns. We suggest the need to approach motor fatigue including cognitive perspectives.

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Sep 11, 2022 4:23:00 PM

'One Region to Control Them All'- The Surprising Effectiveness of Network Control Theory in Predicting Post-Stroke Recovery from Aphasia

SOURCE: Frontiers in Computational Neuroscience. 16 (no pagination), 2022. Article Number: 943396.

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Aug 14, 2022 3:47:00 PM

Transcranial Current Stimulation as a Tool of Neuromodulation of Cognitive Functions in Parkinson's Disease

SOURCE: Frontiers in Neuroscience. 16 (no pagination), 2022. Article Number: 781488.

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Aug 14, 2022 3:44:00 PM

Repetitive Transcranial Magnetic Stimulation Therapy in Parkinson's Disease - Case Presentation

SOURCE: Romanian Journal of Neurology. Conference: 17th Congress of the Romanian Society of Neurology. Bucharest Romania. 18 (Supplement 1) (pp 25), 2019.

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Jul 27, 2022 12:57:00 PM

Long Term Efficacy of Repetitive Transcranial Magnetic Stimulation Over Supplement Motor Area in Patients With the Obsessive-Compulsive Disorder: A Double-Blind, Randomized Control Trial

SOURCE: Indian Journal of Psychiatry. Conference: 73rd Annual National Conference of Indian Psychiatric Society, ANCIPS 2022. Visakhapatnam India. 64(SUPPL 3) (pp S527-S528), 2022.

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