Alzheimer's disease (AD) is a neurodegenerative disorder characterized by a progressive deterioration in cognitive functioning. Overall, 25-50% of patients with AD also show symptoms of psychosis including hallucinations and delusions. As all available antipsychotic drugs have a 'black-box' warning for
Drug testing and analysis, 4(7-8), 556-576 (2012-04-21)
Two primary animal models persist for assessing hallucinogenic potential of novel compounds and for examining the pharmacological and neurobiological substrates underlying the actions of classical hallucinogens, the two-lever drug discrimination procedure and the drug-induced head-twitch response (HTR) in rodents. The
Pharmacology, biochemistry, and behavior, 36(4), 901-906 (1990-08-01)
To investigate the possible functional relationship between 5-HT1 and 5-HT2 receptors, we studied the effects of a nonselective 5-HT agonist (5-MeO DMT), a 5-HT1A-selective (8-OH-DPAT) and a 5-HT1B/5-HT1C-selective (TFMPP) agonist on the head-twitch behavior induced by the putative 5-HT2-selective receptor
Pharmacology, biochemistry, and behavior, 37(1), 95-99 (1990-09-01)
(+/-) 1-(2,5-Dimethoxy-4-iodophenyl)-2-aminopropane [(+/-)-DOI], a phenylisopropylamine hallucinogen, is a 5-HT2-receptor agonist. The drug induced a dose-dependent increase in ear-scratch response (ESR) in mice, and the R(-)-isomer was more than 6 times as potent as its S(+)-enantiomer. The induced behavior was potently
Pharmacology, biochemistry, and behavior, 102(1), 6-12 (2012-04-04)
Prepulse inhibition (PPI) of the acoustic startle response (ASR) provides a measure of sensorimotor gating mechanisms that are impaired in schizophrenia patients. Interactions of the serotonin (5-hydroxytryptamine, 5-HT) and glutamatergic systems, especially via the 5-HT(2A) receptor subtype, have been implicated
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