Finger-tapping

Stimulants theoretically exert their effect by blocking the reuptake of dopamine and norepinephrine, thus improving academic performance and decreasing motor activity in ADHD patients. Stimulants have been shown to decrease fidgeting and finger tapping, increase on-task classroom behavior and positive interactions at home and in social environments, and ameliorate conduct and anxiety disorders.14... 

West, R.J. and Jarvis, M.J., Effects of nicotine on finger tapping rate in non-smokers, Pharmacol. Biochem. Behav., 25, 727, 1986. 

Motor ability tests focus on measures associated with motor control. The most common examples of motor tasks are finger tapping tests, tracking tests, and hand steadiness tests. 

Neurobehavioral examinations are useful for identifying neurotoxicant-mediated deficits, but it is often difficult to localize the site of toxic action from such tests. For example, sensorimotor tests of reaction time, manual dexterity, hand-eye coordination, and finger tapping can indicate either neuromuscular or psychomotor damage. 

While she made of that what she would, he trained his eyes on the window, one finger tapping at his chin with a semblance of interest in the passing Moscow streets and the flow of human traffic outside. What should he make of her, this Patricia Atherton According to her claims, her identification was locked up in this TARDIS of the Doctor s, with no means of access without the Doctor s presence. And since that didn t appear to be on the cards any time in the near future - well, it was a convenient inconvenience for Patricia Atherton. 

---