synkinesis
/sɪŋˈkɪnɪsɪs/Definitions
1. noun
an involuntary movement or action that occurs simultaneously with a voluntary movement, such as smiling when trying to speak
“The patient’s synkinesis was a noticeable side effect of the brain injury.”
2. noun
a rare neurological disorder characterized by involuntary muscle movements
“The doctor specialized in treating patients with synkinesis and other movement disorders.”