Regulation of reflex function after CNS injury
Stretch reflexes are known to be altered following stroke. To date, however, most studies have focused on the spinal components of the reflex, thought to be mediated through short latency, spinal pathways. These pathways contribute to impairments such as spasticity and tremor, but the relationship between spasticity and stroke-related disabilities is not clear. A few studies also have examined longer-latency responses, which are known to be attenuated, decreasing its potential efficacy in tasks that require enhanced limb stability. These previous studies have been conducted only during interactions with a stiff environment. This project is investigating if stroke subjects retain the capacity to modulate these responses during interactions with compliant loads.