Tracking a Tactile Signal Along the Nervous System

Inclusion Criteria: -right-hand dominance for participants who are neurotypical For Aim 1: -age range of 18-23 For Aim 2: * participants who are neurotypical will be a similar age to the participants with stroke * participants who are neurotypical will have no musculoskeletal and neurological conditions * participants with stroke will have a single stroke incident resulting in a unilateral lesion (ischemic and hemorrhagic) * participants with stroke will be in the chronic phase (\>1 year from stroke onset) * participants with stroke will have an onset of stroke after the age of 18 * participants with stroke who meet the criteria of having the capacity to provide informed consent, regardless of aphasia Exclusion Criteria: * minors * pregnant women * prisoners * adults not capable of consenting on their own behalf. For Aim 2: * participants with stroke who have used antispastic injections in the past six months * participants with stroke who have a lesion in the brainstem and/or cerebellum * participants with stroke who have a stroke arising due to brain surgery * participants with stroke who have hemineglect