Schedule-Induced Behavior

Pellón, Ricardo; López-Tolsa, Gabriela E.; Gutiérrez-Ferre, Valeria E.; Fuentes-Verdugo, Esmeralda

doi:10.1007/978-3-319-47829-6_2089-1

Cited by 3 publications

(5 citation statements)

References 11 publications

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“…Moreover, animals treated with THC had higher percentages of entries in bins 30 and 3 -the moments that were closer to the reinforcer delivery-with respect to the same bins in control sessions. This result is consistent with the explanation that all the behaviours generated within inter-food intervals compete for their manifestation during the interval and tend to organize in a sequential manner (Pellón et al 2020). SID behaviour competes with magazine entries, lever presses, or wheel running, thus displaying different temporal patterns to one another (Gutiérrez-Ferre 2019; Pellón and Killeen 2015).…”

Section: Declarationssupporting

confidence: 88%

“…SID displays a distinctive temporal pattern in the form of an inverted U-shaped function as the time between food deliveries elapses (Pellón et al 2020). During the last SID session in the present study, the temporal distribution of licking showed an identical shape when the saline injection session was compared with the last day of SID acquisition in any of the three groups of the experiment; vehicle administration did not affect it either.…”

Section: Discussioncontrasting

confidence: 37%

“…As well as SID, other behaviours have been included in the large category of adjunctive behaviours (Falk 1971;Roper 1981). SID has been documented in mice, rats, pigeons, monkeys, and humans, which demonstrates generality across species (Banasikowski and Hawken 2019;Pellón et al 2020).…”

Section: Introductionmentioning

confidence: 99%

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Repeated Δ-9-Tetrahydrocannabinol administration dose dependently increases stablished schedule-induced drinking

Fuentes-Verdugo,

Pellón,

Miguéns

2024

Psychopharmacology

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Rationale Schedule-induced drinking (SID) reproduces an excessive and repetitive behavioural pattern that has led to propose this procedure as an animal model to study compulsive behaviours. Although it is known that cannabis can cause several adverse effects, in recent years there has been great interest in the medical application of cannabis derivatives for obsessive-compulsive related disorders. Objectives The present study investigated the effects of repeated THC administration on rates of previously acquired SID, as well as the possible alteration of its temporal distribution along inter-food intervals. Methods Male Wistar rats acquired SID under a 30 min fixed-time 30-sec food delivery schedule (from 30 to 43 sessions to reach a stable level). Thereafter, 5 or 10 mg/kg daily i.p. injections of THC or vehicle were repeatedly administered for 7 days to evaluate the effects on SID. Results Repeated THC administration at a dose of 5 mg/kg resulted in an increase on licking. Surprisingly, no effects on SID were observed with the 10 mg/kg dose. However, magazine entries were reduced with both THC doses. THC also modified the temporal distributions of licking and magazine entries during inter-food intervals. Conclusions The present results show that repeated THC administration may (i) increase induced licking at moderate doses, (ii) reduce magazine entries, and (iii) affect the temporal pattern of SID. These findings suggest that THC does not appear to be beneficial to reduce compulsive behaviour in this animal model, while another collateral effect of THC —such as a greater habitual-like behaviour— needs to be considered.

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Section: Declarationssupporting

confidence: 88%

Section: Discussioncontrasting

confidence: 37%

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Repeated Δ-9-Tetrahydrocannabinol administration dose dependently increases stablished schedule-induced drinking

Fuentes-Verdugo,

Pellón,

Miguéns

2024

Psychopharmacology

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“…Lever-pressing rate was similar among groups although slightly higher for the NW groups, whereas licking rate was higher for W15 than for the other W groups. Licking rate, when measured in licks/min, is often reported higher for FI 30 s than for FI 15 s and lower for FI 60 s (Flores & Pellón, 1997; Pellón et al, 2020), but on many occasions the highest rate of responding corresponds to the highest reinforcement frequency (Castilla & Pellón, 2013; Íbias & Pellón, 2011, 2014), as has been the case in the present study. Based on reinforcement frequency as a controlling variable, it is reasonable to find a positive relation between response and reinforcement rates, and when this does not occur it could be likely attributable to response competition interfering with licking (such as from lever pressing, magazine entering or eating).…”

Section: Discussionsupporting

confidence: 68%

“…Schedule-induced behaviors (previously known as adjunctive) are those that develop at an excessive rate during the interreinforcement interval of an intermittent reinforcement schedule without having an explicit arranged contingency between its occurrence and reinforcer delivery (Pellón et al, 2020). Although the development of schedule-induced behaviors has been widely documented (for some revisions, see, Falk, 1971; López-Tolsa, 2019; Pellón, 1990; Roper, 1981), there is still no agreement as to why they occur and how they are maintained.…”

mentioning

confidence: 99%

Assessment of the ‘timing’ function of schedule-induced behavior on fixed-interval performance.

López-Tolsa¹,

Pellón²

2021

Journal of Experimental Psychology: Animal Learning and Cogniti

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It has been suggested that schedule-induced behaviors allow organisms to adapt better to temporal regularities of the environment. The main goal of the present study was to observe the effect of scheduleinduced drinking (SID) on the performance in fixed-interval (FI) schedules. Rats were exposed to a FI 15-, 30-, or 60-s food reinforcement schedule, and only half of them had access to water in the experimental chamber. Rats with access to water developed SID, which occurred in the first part of the interval, regardless of the FI value, and was followed by an increase in lever pressing rate. There were no substantial differences in the quantitative measures of timing between groups that had or did not have access to water, except for the rats in the FI 15-s group with access to water, who showed longer postreinforcement pauses, possibly attributable to competition between SID and lever pressing. SID did not manifest the scalar property, contrary to lever pressing, but it is proposed that behaviors are displayed serially until the last behavior before the target operant response becomes a discriminative stimulus for that behavior. It is not assumed that the purpose of schedule-induced behaviors is to aid timing, but the development of behavioral patterns might determine the performance of organisms on temporal tasks. Additionally, in some cases competition between responses might exert more control on when the operant behavior occurs than timing. Timing seems to consist in the temporal organization of available behaviors that leads to a specific behavior occurring at a specified time, a single characteristic that typically had come to indicate accurate timing.

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Mutual facilitation between activity-based anorexia and schedule-induced polydipsia in rats

2023

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Schedule-Induced Behavior

Abstract: Schedule induction refers to the process of behavior being developed during inter-reinforcement intervals without explicit arranged contingency between its occurrence and the delivery of reinforcement but only by the repeated occurrence of intermittent scheduled reinforcers.

Cited by 3 publications

References 11 publications

Repeated Δ-9-Tetrahydrocannabinol administration dose dependently increases stablished schedule-induced drinking

Repeated Δ-9-Tetrahydrocannabinol administration dose dependently increases stablished schedule-induced drinking

Assessment of the ‘timing’ function of schedule-induced behavior on fixed-interval performance.

Mutual facilitation between activity-based anorexia and schedule-induced polydipsia in rats

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