Effects of THC on behavioral measures of impulsivity in humans

J McDonald, L Schleifer, JB Richards… - …, 2003 - nature.com
This study investigated the acute effects of Δ 9-tetrahydrocannabinol (THC) on four
behavioral measures of impulsivity in recreational marijuana users. Although impulsive …

Acute administration of d-amphetamine decreases impulsivity in healthy volunteers

H De Wit, JL Enggasser, JB Richards - Neuropsychopharmacology, 2002 - Elsevier
This study investigated the acute behavioral effects of d-amphetamine on several behavioral
indices of impulsivity. Impulsivity has been defined, variously, as difficulty in inhibiting …

Fractionating impulsivity: contrasting effects of central 5-HT depletion on different measures of impulsive behavior

CA Winstanley, JW Dalley, DEH Theobald… - …, 2004 - nature.com
Reducing levels of 5-HT in the central nervous system has been associated with increases
in impulsive behavior. However, the impulsivity construct describes a wide range of …

Varieties of impulsivity

JL Evenden - Psychopharmacology, 1999 - Springer
The concept of impulsivity covers a wide range of” actions that are poorly conceived,
prematurely expressed, unduly risky, or inappropriate to the situation and that often result in …

Balanced placebo design with marijuana: pharmacological and expectancy effects on impulsivity and risk taking

J Metrik, CW Kahler, B Reynolds, JE McGeary… - …, 2012 - Springer
Rationale Marijuana is believed to increase impulsivity and risk taking, but the processes
whereby it affects such behaviors are not understood. Indeed, either the pharmacologic …

Impulsivity: a discussion of clinical and experimental findings

J Evenden - Journal of psychopharmacology, 1999 - journals.sagepub.com
Impulsivity can often be an important clinical problem in psychiatry and neurology. In
psychiatry, the manifestation of impulsive behaviour in syndromes such as personality …

The biological basis of impulsiveness: The significance of timing and rhythm disorders

ES Barratt - Personality and individual differences, 1983 - Elsevier
High-impulsive subjects often do say things on the spur of the moment and/or make up their
minds quickly. The description of impulsivity as a personality trait involves a number of basic …

A study investigating the acute dose—response effects of 13 mg and 17 mg Δ 9-tetrahydrocannabinol on cognitive—motor skills, subjective and autonomic measures …

A Weinstein, O Brickner, H Lerman… - Journal of …, 2008 - journals.sagepub.com
Heavy use of marijuana is claimed to damage critical skills related to short-term memory,
visual scanning and attention. Motor skills and driving safety may be compromised by the …

A comparison of multiple 5-HT receptors in two tasks measuring impulsivity

JC Talpos, LS Wilkinson… - Journal of …, 2006 - journals.sagepub.com
Impulsivity has often been assumed to be a unitary construct. However dissociable forms of
impulsive behaviour may exist, each with distinct neurochemical underpinnings. To test this …

5-Hydroxytryptamine and impulse control: prospects for a behavioural analysis

MY Ho, SSA Al-Zahrani… - Journal of …, 1998 - journals.sagepub.com
Impulsiveness is a significant clinical problem associated with a variety of psychiatric and
neuropsychiatric disorders. Clinical and experimental studies have provided evidence that …