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PubMed2006

Sensitivity to reward and punishment and the prefrontal cortex in major depression.

BACKGROUND: Patients with major depressive disorder (MDD) show neuropsychological impairments, including deficient executive functions and altered sensitivity to reward and punishment. METHODS: Executive functions (Wisconsin Card Sorting Test, WCST) and contingency learning based on the cumulative effect of reward and punishment (Iowa Gambling Test, IGT) were assessed in 30 medicated patients with unipolar MDD and in 20 healthy control volunteers. In the classic ABCD version of the IGT, advantageous decks are characterized by immediate small reward but even smaller future punishment. In the modified EFGH version, advantageous decks are characterized by immediate large punishment but even larger future reward. RESULTS: Patients with MDD were impaired in the WCST and in the ABCD version of the IGT but showed normal performances on the EFGH task. Depression, but not executive dysfunctions, significantly predicted performances on the EFGH task: less severe depressive symptoms were associated with better performances on the EFGH task. LIMITATIONS: The sample size was small and only few neuropsychological tests were used. Unmedicated patients were not assessed. Individual personality style, response strategies, and behavioral impulsivity were not investigated. CONCLUSIONS: Medicated patients with MDD show altered sensitivity to reward and punishment: immediate large reward enhanced related response patterns even when the strategy was disadvantageous and immediate large punishment did not prohibit related response patterns. Impairments in emotional decision-making were not a pure consequence of executive dysfunctions.

Adult↗
PubMed2000

Corporal punishment and primary prevention of physical abuse.

OBJECTIVE: To bring to the attention child maltreatment professionals the potential for primary prevention of physical abuse of ending or reducing corporal punishment by parents. METHOD: The October 1999 special issue of Child Abuse & Neglect on "A National Call to Action: Working Toward the Elimination of Child Maltreatment" was reviewed in relation to coverage of corporal punishment by parents. RESULTS: Corporal punishment was not mentioned in any of the nine articles. CONCLUSIONS: The combination of research showing that corporal punishment is a major risk factor for physical abuse and research showing the wide prevalence and chronicity of corporal punishment suggests that the "National Call For Action" should include steps to end use of corporal punishment as a mode of discipline.

Child↗
PubMed1998

Children experiencing violence. II: Prevalence and determinants of corporal punishment in schools.

OBJECTIVE: This study was undertaken to reveal the prevalence and determinants of corporal punishment in preparatory (middle) and secondary (high) schools in Alexandria. METHODS: A cross sectional survey targeting preparatory and secondary school students enrolled in main stream public schools was conducted. The multistage random sample technique was adopted to select a priori estimated sample of this population. They were requested to fill a self administered questionnaire to collect relevant information. Data were analyzed using the univariate and multivariate analyses. RESULTS: A substantial proportion of boys (79.96%) and girls (61.53%) incurred physical punishment at the hand of their teachers. Teachers were using their hands, sticks, straps, shoes, and kicks to inflict such punishment without sparing a part of their students' body. Physical injuries were reported by a significantly higher percentage of boys (chi 2(1) = 12.26, p = .00046) the most common being bumps and contusions followed by wounds and fractures. Moreover, it was only among boys that serious injuries such as loss of consciousness and concussion were encountered. Both univariate and multivariate analyses revealed that corporal punishment was more likely to be used in preparatory schools and on boys. Such means of punishment were also predicted by students' undesirable behavior as well as their poor achievement in academic tasks. CONCLUSION: This study indicates that corporal punishment in school is used extensively to discipline students whose behavior doesn't conform with the desired standard of educational institutions. However, since it is no longer perceived as a method of discipline, other alternatives can be used providing that teachers are equipped with the necessary skills for its application.

Adolescent↗
PubMed1987

Operant punishment of eye elevation in the green crab, Carcinus maenas.

Extension of the eye after reflex withdrawal was suppressed by punishing each extension with a brief puff of air. Experimental animals showed a decrease in the rate of responding, and an increase in the latency to the next response during 30-min sessions. The effect of punishment per se was controlled for by the use of yoked animals that received punishments whenever the experimental (master) animals did. This control group did not show the increased latency, and kept the eye erect for most of the session. Experiments were performed with pairs of animals, one eye of each used as master or control, or, alternatively, with single animals in which one eye served as the yoked control for the other. This latter group gave more reliable and reproducible differences between master and yoke than the pairs of animals. Retention was tested by subjecting animals to three sessions separated by a 12-hr rest. The results indicated some savings but this was not a dramatic effect. To demonstrate that the learning was operant in nature, that is, that it depended on the contingency between the act of eye extension and punishment, experiments were performed in which a delay was introduced between the response and the onset of punishments. A delay of 20 s was found to completely eliminate the learned suppression: animals showed latencies close to that of naive animals and responded at a constant high rate throughout the session. Delays of 10, 5, and 2.5 s were found to have a decreasing effect on the learning, and a delay of 1.25 s produced behavior that was within experimental error of that of animals subjected to immediate punishment.

Animals↗
PubMed2003

Punishment goals of crime victims.

Research on subjective punishment goals has focused on the perspective of third-party observers of criminal offenses and neglected the perspective of victims. This study investigates punishment goals among 174 adult crime victims (rape and nonsexual assault) for each participant's real criminal case. Scales measuring support for punishment goals are constructed by factor analysis of an 18-item list. Results show that 5 highly supported goals can be distinguished: retaliation, recognition of victim status, confirmation of societal values, victim security, and societal security. Analysis of relations between punishment goal scales and personal variables, situational variables, and demanded punishment severity corroborates the view that the punishment goals revealed can be classified according to the two independent dichotomies of moral versus instrumental goals, and micro versus macro goals.

Adolescent↗
PubMed1986

Expectation of success following noncontingent punishment in introverts and extraverts.

Recent findings indicate that extraverts are more likely than introverts to continue responding in the face of punishment and frustrating nonreward (Newman & Kosson, 1984; Tiggemann, Winefield, & Brebner, 1982). The current study investigates whether extraverts' expectations for success are, similarly, resistant to interruption and alteration. To test this hypothesis, 50 introverted and 50 extraverted male undergraduates were exposed to pretreatment with either a 50% level of noncontingent reward or a 50% level of noncontingent punishment. As predicted, there were significant Group X Pretreatment interactions on all dependent measures. In comparison to those introverts who received the punishment pretreatment, extraverts exposed to the same pretreatment placed larger wagers on their ability to succeed, and reported higher levels of perceived control. In addition, relative to their estimates for the pretreatment task, extraverts exposed to noncontingent punishment increased their expectation for success, whereas introverts exposed to noncontingent punishment decreased their performance expectations. No differences were observed between the two groups following pretreatment with noncontingent reward. The results suggest that extraverts are characterized by a distinctive reaction to punishment involving response facilitation as opposed to response inhibition.

Achievement↗
PubMed2005

Characterization of children's decision making: sensitivity to punishment frequency, not task complexity.

On a gambling task that models real-life decision making, children between ages 7 and 12 perform like patients with bilateral lesions of the ventromedial prefrontal cortex (VMPFC), opting for choices that yield high immediate gains in spite of higher future losses (Crone & Van der Molen, 2004). The current study set out to characterize developmental changes in decision making by varying task complexity and punishment frequency. Three age groups (7-9 years, 10-12 years, 13-15 years) performed two versions of a computerized variant of the original Iowa gambling task. Task complexity was manipulated by varying the number of choices participants could make. Punishment frequency was manipulated by varying the frequency of delayed punishment. Results showed a developmental increase in the sensitivity to future consequences, which was present only when the punishment was presented infrequently. These results could not be explained by differential sensitivity to task complexity, hypersensitivity to reward, or failure to switch response set after receiving punishment. There was a general pattern of boys outperforming girls by making more advantageous choices over the course of the task. In conclusion, 7-12-year-old children--like VMPFC patients--appear myopic about the future except when the potential for future punishment is high.

Adolescent↗
PubMed2006

Roles of octopaminergic and dopaminergic neurons in mediating reward and punishment signals in insect visual learning.

Insects, like vertebrates, have considerable ability to associate visual, olfactory or other sensory signals with reward or punishment. Previous studies in crickets, honey bees and fruit-flies have suggested that octopamine (OA, invertebrate counterpart of noradrenaline) and dopamine (DA) mediate various kinds of reward and punishment signals in olfactory learning. However, whether the roles of OA and DA in mediating positive and negative reinforcing signals can be generalized to learning of sensory signals other than odors remained unknown. Here we first established a visual learning paradigm in which to associate a visual pattern with water reward or saline punishment for crickets and found that memory after aversive conditioning decayed much faster than that after appetitive conditioning. Then, we pharmacologically studied the roles of OA and DA in appetitive and aversive forms of visual learning. Crickets injected with epinastine or mianserin, OA receptor antagonists, into the hemolymph exhibited a complete impairment of appetitive learning to associate a visual pattern with water reward, but aversive learning with saline punishment was unaffected. By contrast, fluphenazine, chlorpromazine or spiperone, DA receptor antagonists, completely impaired aversive learning without affecting appetitive learning. The results demonstrate that OA and DA participate in reward and punishment conditioning in visual learning. This finding, together with results of previous studies on the roles of OA and DA in olfactory learning, suggests ubiquitous roles of the octopaminergic reward system and dopaminergic punishment system in insect learning.

Animals↗
PubMed2005

Corporal punishment and the growth trajectory of children's antisocial behavior.

Despite considerable research, the relationship between corporal punishment and antisocial behavior is unclear. This analysis examined (a) the functional form of this relationship, (b) the correlation of initial antisocial behavior and changes in antisocial behavior, (c) differences in the relationship of corporal punishment and antisocial behavior by race, and (d) whether this relationship could be accounted for by unmeasured characteristics of children and their families. Data from 6,912 children in the National Longitudinal Survey of Youth were analyzed using hierarchical linear models. Findings suggested that corporal punishment has a relationship with children's initial antisocial behavior and with changes in antisocial behavior. No evidence was found for differences in the effect of corporal punishment across racial groups. The relationship between corporal punishment and antisocial behavior persists even when accounting for unmeasured time invariant characteristics of children and families. The findings suggest that corporal punishment is not a preferable technique for disciplining children.

Antisocial Personality Disorder↗
PubMed1991

Behavioral effects of adenosine agonists: evaluation by punishment, discrete shuttle avoidance and activity tests in mice.

Behavioral effects of propentofylline and N6-(L-2-phenylisopropyl)-adenosine (PIA) were evaluated by operant behavior under a punishment situation, discrete shuttle avoidance response and ambulatory activity in mice. Propentofylline (3 mg/kg, s.c.) and PIA (0.01 mg/kg, s.c.) significantly decreased the punished response without producing a significant change in the non-punished response. Propentofylline and PIA reduced the increase in the punished response induced by caffeine (30 mg/kg) and diazepam (1 mg/kg). Propentofylline and PIA also reduced the increase of ambulation induced by caffeine. Furthermore, the single administration of propentofylline and PIA decreased the response rate and/or % avoidance in the discrete shuttle avoidance situation. However, the effective doses of propentofylline and PIA to reduce the ambulation-increasing effect of caffeine and to produce a change in the avoidance behavior were much higher than those effective for eliciting a significant change in the punished response. The present results suggest that there is an intimate interaction between central adenosine and benzodiazepine systems with regards to the change of punished response.

Adenosine↗
PubMed2006

Self-punishment as a regulation strategy in borderline personality disorder.

Studies using the Thought Control Questionnaire (TCQ; Wells & Davies, 1994) suggest that the tendency to use self-punishment (e.g., shouting at oneself) in order to control unpleasant internal experiences (e.g., cognitive and emotional) is associated with psychopathology. To evaluate the role of self-punishment in borderline personality disorder (BPD), we first examined whether TCQ scales, including Self-Punishment, were different among adults with BPD (n = 31) when compared to those with other personality disorders (OPD; n = 24), elevated symptoms of major depressive disorder (MDD; n = 24), and healthy controls (n = 105). Findings indicated that Self-Punishment was elevated in the BPD group relative to other groups. Next, Self-Punishment was examined as a potential mediator in the relationship between negative affectivity and BPD symptom severity in all participants. Results indicated that Self-Punishment did not mediate this relationship, but did account for significant variance in BPD symptoms over and above negative affectivity. Implications and future research directions are discussed.

Adolescent↗
PubMed1966

The role of discrimination training in the generalization of punishment.

Pigeons were trained to respond equally to various orientations of three parallel lines projected on a response key. One group was then punished for responding to the vertical lines, but not punished in a line-absent condition. Two other groups were also punished but had no opportunity to make such a discrimination. Orderly generalization gradients were obtained from the discrimination group during recovery from punishment, with least responding to the vertical lines and higher rates to other orientations. Gradients obtained from the non-discrimination groups were flat. A discrimination of punishment contingencies appears to be necessary for a stimulus correlated with punishment to acquire control over its reductive effects.

Animals↗
PubMed1968

Reversal of preference under progressive-ratio schedules by punishment.

A progressive-ratio reinforcement schedule, in which successive reinforcements required an additional 50 responses, was programmed on one key. A response on a second key reset the progressive-ratio schedule to the first step. Before punishment, all pigeons consistently reset the schedule after reinforcement on the first step, thereby minimizing the number of responses required for reinforcement. Punishment was a brief electric shock contingent upon each response on the reset key. The first effect of punishment was to change the frequency of extra responses on the reset key. Under higher intensities of punishment, the pigeons completed the advanced steps of the progressive-ratio schedule before resetting to the first step. Completions of advanced steps were accompanied by decreases in the overall rate of responding and the rate of reinforcement. When the punishment contingency was removed, the major features of pre-punishment performance were recovered.

Animals↗
PubMed1968

Punished and unpunished responding in multiple variable-interval schedules.

The performance of rats trained on multiple variable-interval schedules was examined before, during, and after punishment. The same linear function related relative response rates to relative density of reinforcement both in the presence and absence of punishment. Equal relative suppression was seen in both the high and low reinforcement density components. The intercept value of the function was zero. Each component of the schedule was programmed on a separate lever: thus during any component, there was an opportunity for responses on the nonoperative lever (errors). The proportions of these errors declined to a near-zero value during punishment and did not regain their prepunishment values after punishment was removed, suggesting that some discrimination learning occurred during punishment. Recovery of response rate during punishment was seen only where a greater-than-zero probability of reinforcement was associated with the response.

Animals↗
PubMed1968

Punishment and rate of positive reinforcement.

This experiment investigated the effect of several punishment intensities on two responses maintained by contrasting rates of reinforcement. The responses were concurrently reinforced according to two different variable-interval schedules. Because these schedules were independent of one another and programmed different rates of reinforcement, the two responses occurred at dissimilar rates. When responses were simultaneously suppressed by punishment, both rates were reduced proportionately until suppression was virtually complete. In other words, the per cent suppression resulting from punishment was independent of the rate at which the response was reinforced. Phenomena found in single-response studies were duplicated here. Responding tended to increase both within and between punishment sessions at mild and moderate punishment intensities. Cessation of punishment led to a "compensatory" overshooting beyond the prepunished response rate.

Animals↗
PubMed1995

Food-deprivation effects on punished schedule-induced drinking in rats.

Food-deprived rats (at 80% of their free-feeding weights) were exposed to a fixed-time 60-s schedule of food-pellet presentation and developed schedule-induced drinking. Lick-dependent signaled delays (10 s) to food presentation led to decreased drinking, which recovered when the signaled delays were discontinued. A major effect of this punishment contingency was to increase the proportion of interpellet intervals without any licks. The drinking of yoked control rats, which received food at the same times as those exposed to the signaled delay contingency (masters), was not consistently reduced. When food-deprivation level was changed to 90%, all master and yoked control rats showed decreases in punished or unpunished schedule-induced drinking. When the body weights were reduced to 70%, most master rats increased punished behavior to levels similar to those of unpunished drinking. This effect was not observed for yoked controls. Therefore, body-weight loss increased the resistance of schedule-induced drinking to reductions by punishment. Food-deprivation effects on punished schedule-induced drinking are similar to their effects on food-maintained lever pressing. This dependency of punishment on food-deprivation level supports the view that schedule-induced drinking can be modified by the same variables that affect operant behavior in general.

Animals↗
PubMed2004

Nonabusive physical punishment and child behavior among African-American children: a systematic review.

BACKGROUND: The use of nonabusive physical punishment as a form of discipline has been greatly debated in the scientific and popular literature. Impact on child behavioral outcomes has frequently been found; however, the effects of its use are not clear, particularly for African-American children. This systematic review of the literature examined the impact of exposure to nonabusive physical punishment on the behavior of African-American children. METHODS: A search was conducted of PubMed and Psyclnfo from 1970 to 2000 using the key terms: corporal punishment, physical punishment, disciplinary practices, and discipline and parenting. Studies that described ethnicity of the population and included a majority of a well-described African-American population were included. Each study was required to include measurable data on child behavioral outcomes and at least one measure of discipline that assessed use of nonabusive physical punishment in children 0-14 years of age. RESULTS: All seven included studies used lower socioeconomic status (SES) and/or urban African-American populations. Study design and rural versus urban populations differentiated beneficial and detrimental outcomes. In all longitudinal studies, African-American children had beneficial or neutral outcomes. DISCUSSION: This review suggests that it is possible that there are benefits to nonabusive physical punishment for African-American children. However, needed are further longitudinal studies that better assess the multiple confounders that impact the use of discipline, such as SES, parental education level, and exposure to community or domestic violence.

Black or African American↗
PubMedDate not supplied

[Parental corporal punishment in children with attention-deficit hyperactivity syndrome].

AIM: The aim of this study was to assess the frequency and causes of corporal punishment in children with attention-deficit hyperactivity disorder in comparison with the general population and to evaluate methods of prevention applied in The Department of Child Psychiatry in Warsaw. METHOD: 82 parents of children with ADHD participating in the Parental Training Programme were asked to fill in an anonymous questionnaire concerning corporal punishment. RESULTS: 95% parents abuse their children physically. ADHD in parents and co-occurrence of ADHD symptoms in children influence punishment frequency. Parents with ADHD, in comparison with parents without ADHD use more serious types of physical punishment. After the Parental Training Programme 72% parents used other kinds of punishment. CONCLUSIONS: Parental corporal punishment in children with ADHD is not uncommon. The efficacy of psychoeducation in the examined area seems to be very promising.

Adolescent↗