gait

With golden eyes, velvet voice and smooth gait, Pierre is like a puma prowling across the screen, but ultimately his character’s temperament is much more like a rattlesnake — coiled and ready to strike when threatened.

Also known as water bears and moss piglets, tardigrades sport blobby physiques, lumbering gaits and perfectly circular mouths stuck in the middle of their otherwise-featureless faces.

Currently, people with Parkinson's are treated with dopamine replacement therapy after they have already developed symptoms, such as tremor, slowness of movement and gait, and memory problems.

While it’s clear Mr. Biden has physically slowed and his gait stiffened in recent years, his doctor in February called him “fit for duty.”

This finding may be especially important given that axial symptoms, such as gait or postural stability problems, typically do not respond well to DBS and existing dopaminergic therapies, such as levodopa.