A behavioral comparison of Nexus, cathinone, BDB, and MDA.
M E Bronson, W Jiang, J DeRuiter, C R Clark
Pharmacology, biochemistry, and behavior 1995 DOI: 10.1016/0091-3057(95)00013-m (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Observational animal study Peer reviewed |
|---|---|
| Population | Newly hatched chickens |
| Interventions | 4-bromo-2 5-dimethoxyphenethylamine (Nexus) 3 4-methylenedioxyamphetamine (MDA) 4-methylenedioxyphenyl-2-butanamine (BDB) cathinone |
| Key findings | Cathinone produced stimulant-like effects in chicks similar to d-amphetamine, while BDB, Nexus, and MDA produced mixed stimulant- and hallucinogen-like effects. MDA and BDB caused abnormal posture identical to that reported with LSD and harmine, and Nexus caused a rigid penguin-like posture also seen with mescaline. The authors suggest the young chicken can serve as an alternative, nonmammalian model for predicting classification of new compounds. |
Abstract
The effects of 4-bromo-2,5-dimethoxyphenethylamine (Nexus), 3,4-methylenedioxyamphetamine (MDA), 3,4-methylenedioxyphenyl-2-butanamine (BDB), and cathinone were studied in the newly hatched chicken and compared to the effects of d-amphetamine and three hallucinogens in the same species. Cathinone, a psychomotor stimulant in man (6), produced effects that were qualitatively similar to effects seen after administration of d-amphetamine (i.e., distress vocalization, wing extension, inability to stand, and loss of righting reflex). BDB, a compound with unknown activity in man, and two known hallucinogens, Nexus (5) and MDA (1), produced effects in the chicken that are common to both stimulants and hallucinogens in this species. For example, both MDA and BDB produced abnormal body posture that was identical to that reported after administration of hallucinogens such as lysergic acid diethylamide (LSD) and harmine (11). Nexus, on the other hand, produced rigid penguin-like posture, an effect seen in the chicken after administration of another hallucinogen, mescaline (12). BDB also produced bursting forward movements, an effect commonly observed after LSD and harmine. Our findings suggest that the young chicken can be used as an alternative, nonmammalian, model for predicting classification of new compounds.