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