Somatosensory DisordersEvoked Potentials, SomatosensorySomatosensory CortexTouchVibrissaePhysical StimulationTouch PerceptionBipolar DisorderMedian NerveAfferent PathwaysThalamusBrain MappingMental DisordersAnxiety DisordersMood DisordersVentral Thalamic NucleiElectric StimulationNeural PathwaysSensationForelimbDiagnostic and Statistical Manual of Mental DisordersThalamic NucleiMagnetoencephalographyCerebral CortexReaction TimeMagnetic Resonance ImagingFunctional LateralityNeuronsFingersProprioceptionElectroencephalographyTibial NerveNeuronal PlasticityHandDepressive Disorder, Major