0 any of several types of drug used as a stimulant (= a substance that makes the mind or body more active):
1 a strong drug used as a medicine that makes the mind and body more active; a stimulant
He had predicted at baseline that he would experience verbal hallucinations as part of the amphetamine experience.
Persistent structural modifications in nucleus accumbens and prefrontal cortex neurons produced by previous experience with amphetamine.
It was found that they had similar rates of offending but the amphetamine users' weekly expenditure on drugs was much lower.
Amphetamine-induced hyperactivity is the most established rodent model for mania; this hyperactivity is attenuated by a number of mood stabilizers including lithium, anticonvulsants, and antipsychotics.
There is considerable overlap in the mechanisms of action of methylphenidate and amphetamines, but there is a significant difference.
Amphetamine-associated hallucinations are phenomenologically like those in schizophrenia.
The amphetamine model psychosis provides the "look and feel" of paranoid schizophrenia and nests nicely with the dopamine hypothesis of schizophrenia.
Each animal received only one drug, except those who received amphetamine followed by haloperidol.