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Ontogeny of the behavioral effects of lysergic acid diethylamide in cats

Michael E. Trulson, Gailyn A. Howell

Developmental Psychobiology July 1, 1984 DOI: 10.1002/dev.420170402 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Experimental study Peer reviewed
Population Kittens between 4 and 112 days postpartum
Intervention Lysergic acid diethylamide (LSD)
Duration 112 days postpartum
Topics LSD
Citations 5
Key findings LSD-induced behaviors in kittens emerge around 21 days of age, reach adult levels by 35–40 days, and young kittens are resistant to tolerance development.

Abstract

AbstractThe ontogeny of the behavioral effects of lysergic acid diethylamide (LSD) was examined in cats between the ages of 4 and 112 days postpartum. The kittens showed little LSD‐induced behavioral change prior to 14 days of age. By the age of 21 days, however, the kittens exhibited many of the behavioral signs characteristic of LSD‐induced behaviors in adult cats. These behaviors include limbflicking, abortive grooming, head‐shakes, grooming, and investigatory responses. In general, these behaviors began at a low frequency of occurrence, then increased rapidly with advancing age, reaching adult values by approximately 35–40 days of age, and remained relatively constant through 112 days postpartum. The time course for the behavioral effects following an acute injection of LSD showed the adult pattern, i.e., persisting for approximately 8 hr post‐injection, from their earliest appearance during ontogeny. Young kittens (21–42 days of age) were resistant to the development of tolerance following repeated administration of the drug. LSD was capable of eliciting certain behaviors, such as head‐shakes and grooming, well in advance of the age at which they normally appear spontaneously. This indicates that the neuronal and musculature substrata are developed for the performance of these behaviors long before the kitten naturally employs them.

Comparable studies

Other experimental studies on LSD, most cited first.

Study Year Design Participants
Neural correlates of the LSD experience revealed by multimodal neuroimaging. Human participants 2016 Experimental study
Crystal structure of an LSD-bound human serotonin receptor 2017 Experimental study with structural biology and molecular dynamics simulations
Lysergic Acid Diethylamide: Sensitive Neuronal Units in the Midbrain Raphe Midbrain neurons containing serotonin 1968 Experimental study
Connectome-harmonic decomposition of human brain activity reveals dynamical repertoire re-organization under LSD. Human brain 2017 Experimental study
LSD-Assisted Psychotherapy in Patients with Terminal Cancer Cancer patients 1973 Experimental study n = 60

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