Caffeinated energy drink intake modulates motor circuits at rest, before and after a movement.

Energy drinks are thought to improve certain aspects of athletic and cognitive performances. Moreover, less is understood about physiological mechanisms that might underlie these effects. The aim of this study was to examine the influence of sugar-free energy drink (SFED) ingestion on corticomotor excitability and plasticity.

Modulation of prefrontal cortex with anodal tDCS prevents post-exercise facilitation interference during dual task.

In this study we aimed to investigate whether transcranial direct current stimulation (tDCS) over the left dorsolateral prefrontal cortex (DLPFC) reduces interference effects of a dual task (DT) on post-exercise facilitation (PEF) of the motor evoked potentials. Anodal tDCS reversed the DT interference on PEF after a non-fatiguing isometric contraction. We conclude that anodal DLPFC tDCS improves the ability to allocate attentional resources and modulates plastic adaptations across brain systems.

Anodal cerebellar tDCS modulates lower extremity pain perception.

Background: Previous studies have investigated the use of transcranial direct current stimulation (tDCS) for pain management. The studies investigating therapeutic neuromodulation with tDCS for lower extremity pain are scarce and inconclusive.

Objective: The aim of the present study was to analyze the effects of cerebellar tDCS on lower extremity sensory and pain thresholds in healthy volunteers.