twitching (n.)

• abstraction
• abulia
• agitation
• alienation
• anxiety
• apathy
• apprehensiveness
• compulsion
• dejection
• depression
• detachment
• elation
• emotionalism
• euphoria
• fear
• fidgetiness
• formication
• hypochondria
• hysteria
• hysterics
• indifference
• insensibility
• itchiness
• jerking
• jerky
• lethargy
• mania
• melancholia
• nerves
• nervousness
• obsession
• panic
• preoccupation
• pruritus
• spasmodic
• spastic
• stupor
• tic
• trepidation
• uneasiness
• unresponsiveness
• vellication
• withdrawal