3. **Hallucinogens / Psychedelics** 4. **Dissociatives**

 Hallucinogens / Psychedelics

Effect:
Alter perception, senses, thoughts, and emotions dramatically.

Examples:

* LSD (lysergic acid diethylamide)
* Psilocybin (magic mushrooms)
* DMT (dimethyltryptamine)
* Mescaline (peyote cactus)
* Salvia divinorum

Dissociatives

Effect:
Cause a feeling of disconnection from reality or oneself (dissociation).

Examples:

* Ketamine
* Dextromethorphan (commonly found in cough medicine)
* PCP (phencyclidine)
* Nitrous oxide (laughing gas)