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AlTfaili, Hanana; Lamb, R J; Ginsburg, Brett C
Pharmacology, biochemistry and behavior 235Journal Article
Periods of engaging in an alternative behavior diminishes behavioral control by stimuli occasioning alcohol use. This increase in relapse resistance with increasing recovery suggests that changing stimulus control over substance use may be a mechanism responsible for decreased relapse rates with longer recovery. However, the generality of this phenomenon to other drugs of abuse, including opioid self-administration, remains unclear. This study tests the generality of these findings with etonitazene to determine whether the shift in attention represents a behavioral process that generalizes from conditions we previously reported. Five adult male Lewis rats were trained to respond on levers under two stimulus conditions; high-cost food (food FR150 and etonitazene FR5) and low-cost food (both food and etonitazene FR 5). Next, only the high-cost food stimulus (occasioning etonitazene responding) was presented for 20 sessions (Use Phase) followed by 9 sessions in which only the low-cost food stimulus (occasioning food responding) was presented (Recovery Phase). During the Recovery Phase, testing occurred during the first component of sessions 0, 1, 2, 4, and 8 when rats were re-exposed to the high-cost food stimulus. The number of food responses prior to completing the etonitazene response requirement during this stimulus exposure was the primary measure. Food responses during stimulus re-exposure increased significantly as a function of recovery sessions completed with a slope 95 % CI of 2.49 responses/recovery session 0.16, 4.81. The average number of etonitazene deliveries per use session was 32 ± 6.6 or an average daily dose of 48.8 ± 10.1 μg/kg. During Recovery Phase, etonitazene deliveries decreased to 2.4 ± 1 or 3.6 ± 1.5 μg/kg. The decrease in stimulus control observed for ethanol self-administration appears to generalize to opioid self-administration, indicating this change in stimulus control may play a general role in recovery.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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