Table 1.
Age of exposure |
Drug | Neurochemistry involved |
Neurodevelopmental consequences |
References |
---|---|---|---|---|
Late early to mid gestation (primarily based on animal studies) |
Cocaine | DA > NE and 5-HT Blocks monoaminergic transporters and Increases synaptic concentrations of monoamines |
Altered neuroanatomical morphology, disrupted cognition, altered cellular signaling |
18-37, 42-47, 54-59, 63-65, 203 |
Throughout gestation |
Alcohol |
GABA and NMDA Blocks NMDA receptor activity and increases GABAergic activity |
Craniofacial dysmorphologies, decreased birth weight, hyperactivity, cognitive deficits, cortical dysgenesis, cell death, reduced brain volume |
113-115, 118- 120, 126-132 |
Throughout gestation |
Nicotine | Acetylcholine Activates nAChRs |
Decreased birth weight, hyperactivity, cognitive disabilities, emotional disruptions |
82, 86-94, 96- 98, 100-105, 107, 108 |
Throughout gestation and early postnatal exposure |
Amphetamine/ Methamphetamine |
DA > NE and 5-HT Reverses the action of monoaminergic transporters and Increases synaptic concentrations of monoamines |
Low birth weight, decreased arousal, deficits in learning, decreased volume of hippocampus and striatum |
66, 67, 70-73, 76-81 |