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At least 109 records · Page 6Linked to original sources
PubMed1987

Laypeople's attitudes toward drug treatment for behavioral control depend on which disorder and which drug.

One hundred four laypeople were asked to rate two vignettes describing the use of psychotropic medication to treat behavior problems in school-aged boys. These problems were described as a result of either an attention deficit disorder (ADD) with hyperactivity or a seizure disorder. Respondents considered the parents of the ADD child less justified in placing and continuing their child on medication than the parents of the epileptic child. They also thought that drug use would exacerbate the behavior problem more for the ADD child than for the epileptic child. It is suggested that by being aware of and acknowledging the existence of these attitudes, clinicians can better deal with concerns that parents may have regarding drug treatment for their children, possibly increasing the chances for a successful outcome.

Adult↗
PubMed1979

Effects of solvents on schedule-controlled behavior.

Operant conditioning techniques have been shown to be sensitive to the acute effects of industrial solvents. In the first experiment, five rats trained in a multiple schedule with a fixed-ratio (FR) 10 component and a differential reinforcement of low rates (DRL) 20-sec component, with a time out 60-sec between reinforcement periods, were exposed to 0.25, 0.50, 1 and 2 ml of toluene in the experimental chamber. The effects were dose-dependent, with an increase in rate in the DRL component and a decrease in FR responding. A second experiment assessing the effects of chronic exposure to thinner in the acquisition of a timing behavior in rats showed an impairment in DRL learning after 4, 8 or 16 weeks of exposure to the solvent: however, rats having a resting period did not differ from control animals. Whereas this finding suggests a reversible impairment in the acquisition of a complex behavior, further research is needed to achieve more definitive conclusions.

Administration, Inhalation↗
PubMed1989

Effects of phencyclidine and other N-methyl-D-aspartate antagonists on the schedule-controlled behavior of rats.

The behavioral effects of phencyclidine (PCP) were compared with those of several compounds known to antagonize the actions of N-methyl-D-aspartate using two patterns of schedule-controlled responding in rats. Rates of variable interval responding suppressed by punishment were increased greatly by the benzodiazepine chlorodiazepoxide and showed small increases after MK-801 [(+)-5-methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imine] . However, no consistent increases in response rates were produced by PCP, by the stereoisomers of N-allylnormetazocine (NANM: SKF 10,047) or by the anti-ischemic drug, ifenprodil. Small doses of PCP did increase rates of unpublished variable interval responding, as did a low dose of MK-801. Timing behavior maintained by a differential reinforcement of low rate schedule was disrupted by all the compounds studied. Response rates were increased by at least one dose of PCP, MK-801, (+)-NANM and 3-(2-carboxypiperazine-4-yl)propyl-1-phosphonic acid. The effect of MK-801, however, was considerably greater than that of the other compounds. Ifenprodil and (-)-NANM did not increase rates of responding but, at high doses, produced decreases in reinforcement frequency indicating that efficient timing behavior had been disrupted. These results show that although PCP, MK-801 and (+)-NANM produce generally similar behavioral effects, there may also be some differences between the compounds, notably a more consistent effect of MK-801 on punished responding. These behavioral effects may be related to antagonism of N-methyl-D-aspartate but ifenprodil, which is also an N-methyl-D-aspartate antagonist, does not show a similar behavioral profile.

Animals↗
PubMed1976

Effects of positive and negative feedback on behavior control in hyperactive and normal boys.

The hypothesis that hyperactive boys have relatively less response to negative feedback than to positive feedback was studied. Sixteen hyperactive boys and 16 controls were compared on two tasks under different feedback conditions. Feedback conditions were no feedback, positive feedback, and negative feedback. Tasks were symbol encoding and correcting spelling words. Hyperactives and controls were compared in amount of time on-task and amount of work correctly completed. Hyperactives were on-task significantly more under conditions of negative feedback than under positive feedback, but negative feedback significantly increased errors on the spelling correction task. Controls were equally responsive to positive, negative, or no feedback. Hyperactives accomplished significantly less than controls on the coding task, but performed as well as controls on the spelling correction task, which was administered to each boy at his own level of spelling ability. The results imply that while consistent negative feedback can reduce off-task behavior for hyperactives, it can also decrease the accuracy of the work they are doing.

Behavior Therapy↗
PubMed1992

Postinspiratory neuronal activities during behavioral control, sleep, and wakefulness.

Cells that discharge in early expiration and inhibit other respiratory cells purportedly cause a separate phase of the respiratory cycle that has been named "postinspiration." Our objective was to study these postinspiratory cells in the intact unanesthetized cat during sleep, wakefulness, and behavioral inhibition of inspiration, but we were unable to find cells with strong and consistent activity confined to early expiration. Instead, we found that various cell types were active in early expiration. They included inspiratory-expiratory phase-spanning cells, retrofacial augmenting expiratory cells with bursts in early expiration, retrofacial decrementing expiratory cells, tonic expiratory cells, and cells with variable activity in the early part of expiration. Just as the cell types active during early expiration were heterogeneous so too were their activities during behavioral inhibition of inspiration and during sleep. These results suggest that the state of early expiration is determined by many different cell types rather than a single class of postinspiratory cells.

Animals↗