Benign Shuddering Attacks

**Semantic type:** Finding

**Definition:** Uncommon, involuntary movements of the head and upper extremities resembling shivering and straining seen in infants and children during normal activities and without impaired consciousness or epileptiform electroencephalogram (EEG). Resolution or improvement by age 2 or 3 is often noted.

**Synonyms:** - Benign shuddering attacks