Dissociatives

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A diagrammatic comparison of the structures of glutamate and various popular dissociatives.

Dissociatives (also referred to as dissociative anesthetics) are a class of hallucinogen. Members of this class are characterized by distorted sensory perceptions and feelings of disconnection or detachment from the environment and self. The phenomenology is often described in terms of reducing or blocking signals to the conscious mind from other parts of the central nervous system.^[1]

Many dissociatives have general depressant effects and can produce sedation, respiratory depression, analgesia, anesthesia, and ataxia, as well as cognitive and memory impairment and amnesia. Some dissociatives affect the dopamine^[2] and/or opioid^[3] systems and are capable of inducing euphoria.

Mechanism of action

NMDA receptors within the brain exist to allow for the transfer of electrical signals between neurons in the brain and in the spinal column. For electrical signals to pass, the NMDA receptor must be open. To remain open, the neurotransmitters known as glutamate and glycine must bind to the NMDA receptor. An NMDA receptor that has glycine and glutamate bound to it and has an open ion channel is called "activated."

Dissociatives are classed as NMDA receptor antagonists. This means they bind to the receptor, but do not activate it and block other neurotransmitters from doing so. The result is a dose dependent decrease in the passing of electrical signals across the brain and an overall disconnection of neurons. This leads onto states of disconnection between conscious parts of the brain and its sensory organs as well as out-of-body experiences and accompanying hallucinations.

Pharmacological classes

Subjective effects

The effects listed below are based upon the subjective effects index and personal experiences of PsychonautWiki contributors. These effects should be taken with a grain of salt and will rarely (if ever) occur all at once, but heavier doses will increase the chances of inducing a full range of effects. Likewise, adverse effects become much more likely on higher doses and may include serious injury or death.

See also

• Responsible use
• Hallucinogens
• Psychedelics
• Deliriants

External links

• Dissociative (Wikipedia)

Literature

• Morris, H., & Wallach, J. (2014). From PCP to MXE: A comprehensive review of the non-medical use of dissociative drugs. Drug Testing and Analysis, 6(7–8), 614–632. https://doi.org/10.1002/dta.1620

References