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Lysergic Acid Diethylamide and Stimulus Generalization: Rate-Dependent Effects

Linda A. Dykstra, James B. Appel

Science August 25, 1972 DOI: 10.1126/science.177.4050.720 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Experimental study Peer reviewed
Population Rats
Intervention LSD
Topics LSD
Key findings LSD changed the shape of the auditory generalization gradient only at a dose that decreased relatively high response rates, indicating that the drug's effect on stimulus sensitivity may be secondary to its rate-suppressing action.

Abstract

A stimulus generalization procedure was used to investigate the effects of LSD on sensitivity to auditory stimuli in rats. The shape of the generalization gradient was changed after administration of the drug only with a dose which produced decreases in relatively high rates of responding.

Comparable studies

Other preclinical and animal studies on LSD, most cited first.

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Transcriptome Fingerprints Distinguish Hallucinogenic and Nonhallucinogenic 5-Hydroxytryptamine 2A Receptor Agonist Effects in Mouse Somatosensory Cortex Human embryonic kidney 293 cells stably expressing 5-HT2ARs; wild-type and 5-HT2AR... 2003 Experimental study
Evidence for a central 5‐hydroxytryptamine receptor stimulation by lysergic acid diethylamide Rats 1968 Experimental study
Psychedelics, but Not Ketamine, Produce Persistent Antidepressant-like Effects in a Rodent Experimental System for the Study of Depression Rats 2020 Preclinical study
Lysergic acid diethylamide (LSD) promotes social behavior through mTORC1 in the excitatory neurotransmission Male mice 2021 Multidisciplinary experimental study with in vivo electrophysiology, optogenetics, behavioral paradigms, molecular biology, and conditional knockout mice
A non-hallucinogenic LSD analog with therapeutic potential for mood disorders. Mice and cultured rat cortical neurons 2023 Preclinical study

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