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At least 19 recordsLinked to original sources
PubMed1976

Behavior controlled by scheduled injections of cocaine in squirrel and rhesus monkeys.

Rates and patterns of key-press responding maintained under schedules in which responding resulted in intravenous injections of cocaine were studied in squirrel monkeys and rhesus monkeys. Each injection was followed by a 60- or 100-sec timeout period. Schedule-controlled behavior was obtained at appropriate cocaine doses in each species. Under FR 10 or FR 30 schedules, performance was characterized by high rates of responding (usually more than one response per second) in each ratio. Under FI 5-min schedules, performance was characterized by an initial pause, followed by acceleration of responding to a final rate that was maintained until the end of the interval. Under multiple fixed-ratio fixed-interval schedules, rates and patterns of responding appropriate to each schedule component were maintained. Responding seldom occurred during timeout periods under any schedule studied. At doses of cocaine above or below those that maintained characteristic schedule-controlled behavior, rates of responding were relatively low and patterns of responding were irregular. Characteristic fixed-interval responding was maintained over a wider range of cocaine doses than characteristic fixed-ratio responding. Complex patterns of responding controlled by discriminative stimuli under fixed-ratio or fixed-interval schedules can be maintained by cocaine injections in squirrel monkeys and rhesus monkeys.

Animals↗
PubMed1975

Neurochemical changes associated with schedule-controlled behavior.

Studies of monoamine metabolites within the cerebrospinal fluid compartment have indicated that this approach may be useful in examining central metabolic changes in vivo. By combining the technologies of radioisotope chemistry, operant behavior control and modification, and brain perfusion with push-pull cannulas, we have been able to examine minute to minute changes in the disposition of radiolabeled monoamine transmitter candidates and their metabolites. These substances appear to co-vary with changes in complex behavior maintained by operant schedules of reinforcement and affected by changes in schedules or administration of psychotropic drugs. In agreement with other perfusion studies, we have observed changes in fractional distribution of radiolabeled urea, a so-called extracellular marker, along with shifts in monoamines; but the former appear more transient. These observations nevertheless support the concept of dynamic changes within the extracellular environment of the CNS that may be part of a hormone-like communicating system with functional significance. Furthermore, the presence of peaks and/or troughs, in perfusates of [14C]urea of similar substances should not be taken as a priori evidence for nonspecificity of the technic, since selective release or inhibition of release of monoamines can be shown with appropriate drugs that are thought to act through these aminergic systems. Destruction of catecholamine nerve terminals with 6-hydroxydopamine likewise attenuates the signal-locked release of radiolabeled norepinephrine by a conditioned stimulus after conditioning occurs. No such release is seen on presentation of the to-be-conditioned neutral stimulus in control or 6-hydroxydopamine treated rats. These initial studies indicate the availability of a powerful tool for the study of drug-neurochemical-behavioral interactions using subjects as their own controls for extended periods of time so that phenomena of plasticity, tolerance and dependence may likewise be examined.

Animals↗
PubMed1978

levo-Alpha-acetylmethadol and metabolites: some effects on schedule-controlled behavior in the rat.

The behavioral effects of acute IP administration of 1-alpha-acetylmethadol, its metabolites, 1-alpha-noracetylmethadol and 1-alpha-dinoracetylmethadol, and morphine were studied in the rat using behavior controlled by a fixed-interval schedule of food reinforcement. Administraiton of all compounds produced a dose-related decrease in response rate. The metabolites were approximately three to four times the potency of the parent compound which was approximately five times the potency of morphine. Data obtained from cumulative response records suggested that the onset of effects for the metabolites was more rapid than for the parent compound.

Animals↗
PubMed1992

[Dyspnea and behavioral control].

Respiration is automatically regulated via chemo- and mechanoreceptors existing in and outside the lungs, but it is also controlled voluntarily by behavioral factors. Voluntary increase in ventilation accentuates dyspnea and the sensory intensity at a given ventilation does not differ from that of exercise-induced hyperventilation, but it is significantly smaller than that during hypercapnia or hypoxia. Voluntary constraint of ventilation augments dyspnea in proportion to the degree of constraint even under isocapnic hyperoxia, and the respiratory sensation during constrained breathing is qualitatively more discomfortable than that during hyperventilation. Changes in the level and pattern of breathing under constant levels of chemical stimuli increase respiratory sensations and the intensity of dyspnea is minimal near the spontaneous levels, which supports the hypothesis that breathing is behaviorally regulated in part to minimize dyspnea. The system of behavioral control of breathing appears to be involved in the maintenance of body homeostasis by modifying the respiratory output through respiratory sensations.

Carbon Dioxide↗
PubMed1978

The effects of cognitive and behavioral control on coping with an aversive health examination.

The effects of cognitive and behavioral control on coping with an aversive health examination were tested in a 2 x 2 factorial design. Cognitive control was represented by sensory or health-education information; instruction or no instruction in abdominal relaxation constituted the levels of behavioral control. The study was conducted in the natural setting of a family-planning clinic with 24 young women who were undergoing a routine pelvic examination. Subjects who received sensory information prior to the examination showed less distress, as indicated by overt distress behaviors and pulse rates, than did subjects who received health-education information. Cognitive control did not show a significant effect on self-report of fear. No significant effects were demonstrated for the factor of behavioral control. The results suggested that cognitive control information, which emphasizes the sensory experiences typically accompanying an aversive event, limits reactivity to aversive stimuli. The reduction in reactivity is thought to result in an increased ability to cope with aversive events.

Adaptation, Psychological↗
PubMed1992

The pros and cons of physical restraints & behavior controls.

1. Nurses are often the victims of abuse in psychiatric settings. Employing physical and chemical restraints or behavior controls on violent or potentially violent clients has strong arguments supporting and refuting it. 2. There is a concern that restraints and behavior control techniques are morally unacceptable because their use is incompatible with respect for an individual's autonomy. 3. Those who support the use of physical restraints and behavior controls base their arguments on patient and staff safety. 4. By nature of the profession, nurses accept the responsibility of total patient care, including the well-being of abusive patients as well as others on the ward.

Freedom↗
PubMed2026

Attitudes, knowledge, and behavioral control regarding child abuse reporting in middle eastern nursing professionals: A systematic review and meta-analysis.

INTRODUCTION: Child abuse is critically underreported in the Middle East, with up to 90% of cases going unidentified. Nurses play a central role in child protection systems, yet factors influencing their reporting practices in this region have not been comprehensively synthesized. This study aims to review systematically and meta-analyze evidence on Middle Eastern nurses' knowledge, attitudes, and perceived behavioral control regarding child abuse reporting. METHODS: We conducted a systematic review and meta-analysis following PRISMA guidelines. Five databases (PubMed, Scopus, Web of Science, Embase, Cochrane Library) were searched through November 2025. Studies targeting nursing professionals or students in Middle Eastern countries assessing knowledge, attitudes, intention to report, subjective norms, or perceived behavioral control were included. Random-effects meta-analyses were performed with subgroup analyses comparing students and practicing nurses. RESULTS: Fourteen studies comprising 4018 participants across six countries met the inclusion criteria. The pooled knowledge score was 61.64% (95% CI: 50.14-73.14), with nursing students scoring higher than practicing nurses (75.28% vs. 54.79%, p = 0.03). The pooled attitude score was 60.69% (95% CI: 44.82-76.57). Educational interventions significantly improved knowledge (SMD = 1.54, 95% CI: 0.70-2.38, p = 0.0003). The pooled proportion of nurses intending to report suspected abuse was 75% (95% CI: 0.58-0.92). The pooled subjective norm score was 8.02 (95% CI: 7.75-8.29), and the pooled perceived behavioral control score was 24.34 (95% CI: 22.20-26.46). High heterogeneity (I2 > 95%) reflects substantial variability in educational and legal contexts across the region. CONCLUSIONS: Middle Eastern nurses show moderate knowledge and attitudes toward child abuse reporting, with notable gaps among practicing professionals. Educational interventions are effective but should be integrated with systemic reforms, including mandatory reporting legislation and clear protocols.

Humans↗
PubMed1975

Schedule-controlled behaviors as determinants of drug response.

Schedule-controlled performances began to be used in assessing the behavioral effects of drugs because of practical advantages over other techniques for studying behavior. Schedule-controlled behavior is, however, of fundamental importance in behavioral pharmacology. It has been found repeatedly that the effects of many drugs depend critically upon the patterns of responding engendered by different schedule contingencies. These dependencies of the effects of drugs on schedule-controlled behavior occur because ongoing behavior is itself an important determinant of drug action.

Amphetamine↗
PubMed1976

Multiple factors in short-term behavioral control of protein intake in rats.

The availability and concentration of dietary protein was varied in an examination of the nature of the day-to-day intake of protein solutions by 60-day-old male rats. It was found that the rats consumed a remarkably constant absolute amount of protein each day, adjusting overall caloric intake to maintain protein at a roughly constant proportion of total calories. Factors such as the time of access to a protein source or the extent of prior experience with a protein source were seen to influence the overall constancy of protein intake, whereas daily shifts in preference between two available concentrations of protein did not interfere with such short-term control. The mechanism for this behavioral control is likely to be different from mechanisms mediating the conditioned response to dietary protein, as in the response to dietary amino acid imbalance.

Animal Nutritional Physiological Phenomena↗
PubMed1975

Some effects of local anesthetics on schedule-controlled behavior.

The central effects of local anesthetics were compared with those of d-amphetamine, using the schedule-controlled behavior of the pigeon. Subconvulsant doses of cocaine and d-amphetamine produced similar effects on schedule-controlled behavior that were quite different from the effects of procaine, mepivacaine and lidocaine.

Amphetamine↗
PubMed1991

Interaction of haloperidol and SCH 23390 with cocaine and dopamine receptor subtype-selective agonists on schedule-controlled behavior of squirrel monkeys.

Involvement of D1 and D2 dopamine receptors in the effects of cocaine on schedule-controlled behavior was evaluated in squirrel monkeys responding under a multiple fixed-interval 5-min, fixed-ratio 10 schedule (mult FI FR) of food delivery. Cocaine and the D2 agonist quinpirole increased responding under the F1 at certain doses and disrupted the temporal patterning of behavior. Higher doses of these drugs decreased responding. In contrast, the D1 agonist SKF 38393 was devoid of behavioral activity up to 10 mg/kg where response suppression was obtained without significant modification of the temporal distribution of responding. The D2 antagonist haloperidol (0.001-0.03 mg/kg) did not alter the behavioral effects of cocaine up to doses that had pronounced behavioral effects on their own. However, haloperidol attenuated the behavioral effects of quinpirole. In contrast, the D1 antagonist SCH 23390 partially attenuated the response rate-suppressant effects of cocaine without blocking cocaine-induced disruptions of temporal response patterning. SCH 23390 did not antagonize the behavioral effects of SKF 38393. These results suggest that independent stimulation of either D1 or D2 receptors alone does not play a major role in the effects of cocaine on schedule-controlled behavior of squirrel monkeys.

2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-ben↗
PubMed1975

Stimuli associated with drug injections as events that control behavior.

In this paper, some of the ways were briefly reviewed in which environmental stimuli that have been associated with injections of morphine or narcotic antagonists can come to modify and control behavior. Many of the effects described have also been demonstrated with drugs from other pharmacological classes. Environmental stimuli that occur in association with human drug-seeking and drug-taking behavior play an important role in the development, control, and perpetuation of this behavior. A variety of approaches to the experimental analysis of the control of behavior by such stimuli have been illustrated. Studies with these approaches promise to expand our understanding of the dynamic processes involved in drug use by human addicts.

Animals↗
PubMed1978

Effects of repeated administration of cocaine on schedule-controlled behavior of rats.

The effects of cocaine (4.0--32 mg/kg) on schedule-controlled behavior of rats were determined before and during a period of repeated administration of cocaine. In rats trained to lever press on a fixed ratio 40 schedule for food delivery, cocaine (8.0--32 mg/kg) initially decreased response rate in a dose-related manner. During the period of repeated administration, the effects of cocaine on response rate and running rate were attenuated in 2 rats and did not change in 2 others. When dose-effect functions of cocaine were redetermined, a shift to the right was observed in several measures indicating the development of tolerance to these effects of cocaine on performance. In rats trained to lever press on a DRL 20" schedule for food delivery, cocaine (4.0--32 mg/kg) increased response rates, decreased number of reinforcements per session and shifted interresponse time distributions to the left (shorter IRT's in all rats). During the period of repeated administration, the effects of the daily dose of cocaine (16 mg/kg) on all these measures were attenuated. Tolerance to cocaine was further indicated by a shift in the dose effect function of cocaine to the right during the redetermination.

Animals↗
PubMedDate not supplied

Use of a course on self-control behavior techniques to increase adherence to prescribed frequency for self-monitoring blood glucose.

A 12-week behavioral change program consisting of a course on Self-Control Behavior Techniques, which used a self-study format and included self-management techniques, was developed and implemented to evaluate the effectiveness of the course and the behavioral change techniques in helping people with insulin-treated diabetes mellitus to increase adherence to the prescribed frequency for self-monitoring blood glucose (SMBG). A two-group pretest-posttest experimental design was used (treatment n = 11, control n = 14). The treatment group achieved significantly higher posttest scores for the course. However, the control group achieved a significantly higher goal-adherence rate. The course was effective in teaching the knowledge and skills necessary for learning the techniques; the educational approach was an effective method for learning; and the application of the techniques resulted in an increase in frequency of SMBG but did not result in achievement of adherence to the goal for frequency of SMBG.

Adult↗
PubMedDate not supplied

Some effects of desmethylimipramine and amitriptyline on the schedule-controlled behavior of pigeons and rats.

The effects of desmethylimipramine and amitriptyline on schedule-controlled behavior of pigeons and rats were examined. Pigeons responded under either a multiple (mult) fixed-interval (FI) 600-sec, fixed-ratio (FR) 30-response schedule of food presentation or a mult FI 200-sec, FI 200-sec schedule, in which responding during one component was punished with electric shock. Rats responded under a mult FI 300-sec, FR 30-response schedule of food presentation. Under the mult FI, FR schedules, desmethylimipramine and amitriptyline decreased overall rates of FI and FR responding in both species. Overall rates of responding were decreased to similar extents under both the FI and FR components of the schedule. In the pigeon, but not in the rat, the effects of desmethylimipramine and amitriptyline on responding under the FI component of the mult FI, FR schedule depended on the control-rate of responding, i.e. desmethylimipramine and amitriptyline increased more or decreased less the low rates of FI responding at the beginning of the FI compared to the higher rates of FI responding at the end of the FI. In contrast, in the rat desmethylimipramine and amitriptyline did not differentially affect the low rates of responding at the beginning of the FI compared to the higher rates of responding at the end of the FI. Correspondingly, in the pigeon, but not in the rat, desmethylimipramine and amitriptyline decreased the fixed-interval quarter-life at relatively low doses. In the pigeon neither desmethylimipramine nor amitriptyline differentially affected the overall rate of punished as compared to unpunished responding.

Amitriptyline↗
PubMed1990

Association brain systems as apparatus of behavior control involving dominanta and conditioning.

The author's major conception concerning the associative brain systems (thalamoparietal and thalamofrontal) as the behavior control system are presented. The participation of association systems in performance of higher brain functions, due to the entrance of the whole information spectrum of biological and signal significance and the presence of neuronal plastic mechanisms, ensures the mechanism for retrieving the whole behavior programs from long-term memory, the ability of short-term storing of behavior programs, and estimation of their adequacy on the ground of dominanta and conditioning mechanisms.

Animals↗