has subject area Adult Affect Behavior - Exploratory Behavior Behavior and Behavior Mechanisms - Exploratory Behavior Behavioral Sciences - Psychophysiology Boredom Central Nervous System Agents - Central Nervous System Stimulants Dextroamphetamine Diagnostic Techniques, Neurological - Reflex, Startle Female Humans Male Membrane Transport Modulators - Dopamine Uptake Inhibitors Mind-Body Therapies - Psychophysiology Molecular Mechanisms of Pharmacological Action - Dopamine Uptake Inhibitors Molecular Mechanisms of Pharmacological Action - Dopamine Uptake Inhibitors Nervous System Physiological Phenomena - Reflex, Startle Personality Personality Tests Physical Examination - Reflex, Startle Physiological Effects of Drugs - Central Nervous System Stimulants Physiological Effects of Drugs - Dopamine Uptake Inhibitors Physiological Effects of Drugs - Dopamine Uptake Inhibitors Physiology - Psychophysiology Psychological Phenomena - Psychophysiology Psychological Phenomena - Reflex, Startle