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PubMed2006

Physical punishment, childhood abuse and psychiatric disorders.

OBJECTIVES: Physical punishment, as a means of disciplining children, may be considered a mild form of childhood adversity. Although many outcomes of physical punishment have been investigated, little attention has been given to the impact of physical punishment on later adult psychopathology. Also, it has been stated that physical punishment by a loving parent is not associated with negative outcomes; however, this theory has not been empirically tested with regard to psychiatric disorders. The main objective of the present study was to investigate three categories of increasing severity of childhood adversity (no physical punishment or abuse, physical punishment only, and child abuse) to examine whether the childhood experience of physical punishment alone was associated with adult psychopathology, after adjusting for sociodemographic variables and parental bonding dimensions. METHODS: Data were drawn from the nationally representative National Comorbidity Survey (NCS, n=5,877; age 15-54 years; response rate 82.4%). Binary logistic and multinomial logistic regression models were used to determine the odds of experiencing psychiatric disorders. RESULTS: Physical punishment was associated with increased odds of major depression (AOR=1.22; 95% CI=1.01-1.48), alcohol abuse/dependence (AOR=1.32; 95% CI=1.08-1.61), and externalizing problems (AOR=1.30; 95% CI=1.05-1.60) in adulthood after adjusting for sociodemographic variables and parental bonding dimensions. Individuals experiencing physical punishment only were at increased odds of adult psychopathology compared to those experiencing no physical punishment/abuse and at decreased odds when compared to those who were abused. CONCLUSIONS: Physical punishment is a mild form of childhood adversity that shows an association with adult psychopathology.

Adolescent↗
PubMedDate not supplied

Re-evaluation of constant versus varied punishers using empirically derived consequences.

Charlop, Burgio, Iwata, and Ivancic [J. Appl. Behav. Anal. 21 (1988) 89] demonstrated that varied punishment procedures produced greater or more consistent reductions of problem behavior than a constant punishment procedure. More recently, Fisher and colleagues [Res. Dev. Disabil. 15 (1994) 133; J. Appl. Behav. Anal. 27 (1994) 447] developed a systematic methodology for predicting the efficacy of various punishment procedures. Their procedure identified reinforcers and punishers (termed "empirically derived consequences" or EDC) that, when used in combination, reduced the destructive behavior of individuals with developmental disabilities who displayed automatically maintained destructive behavior. The current investigation combines these two lines of research by comparing the effects of constant versus varied punishers on the self-injury of two individuals with developmental disabilities. The punishing stimuli were selected via the procedures described by Fisher et al. and were predicted to be at varying levels of effectiveness. The varied presentation of punishers resulted in enhanced suppressive effects over the constant presentation of a punisher for one of two individuals, but only in comparison to a single stimulus predicted to be minimally effective. Even then, the differences were small. These results suggest that the additive effects of varied punishment are negligible if clinicians use stimuli predicted to be effective and are discussed in terms of the conditions under which stimulus variation could potentially enhance the effects of punishers.

Adolescent↗
PubMed1996

Effects of blood alcohol concentrations on negative punishment: implications for decision making.

OBJECTIVE: A series of studies examined how various blood ethanol concentrations influenced the effectiveness of a negative punishment procedure in a risk-taking/decision-making task. Based on the animal punishment literature plus the impression that ethanol diminishes the effects of punishment and impairs decision making, it was predicted that individuals receiving alcohol would increase their risk- taking behavior despite the presence of a negative punishment stimulus (point loss) given on a variable schedule. METHODS: In Experiment 1, a within-subjects design with repeated measures was used where 10 male subjects played a modified computer-generated choice game under three levels of punishment certainty, three levels of punishment severity and four ranges of blood ethanol (0.00%, 0.01-0.049%, 0.050-0.099%, 0.10-0.15%) RESULTS: Results indicated significant decreases in risk taking as either punishment certainty or severity was increased. However, no significant effects were found for ethanol, or interactions of ethanol with punishment certainty or punishment severity. Two additional studies examining aspects of the experimental procedure produced similar results CONCLUSIONS: Overall, the results of these studies do not support the hypothesis that high concentrations of blood alcohol are sufficient in and of themselves to eliminate the suppression function of negative punishment contingencies leading to increased risk-taking behavior. The implications of these results for understanding blood alcohol effects are discussed.

Adult↗
PubMed1962

Interactions between the discriminative and aversive properties of punishment.

Punishment acquires a discriminative property when it is selectively paired with either reinforcement or extinction. At the milder punishment intensities, the discriminative control exerted by punishment is similar to the discriminative control exerted by a response-produced neutral (nonaversive) stimulus. However, the effect of the aversive property is apparent as the intensity of the punishment is increased. The aversive property of the punishment acts to enhance the discriminative control when the punishment is selectively applied during extinction periods, and to attenuate the discriminative control when the punishment is selectively applied during reinforcement periods. One major difference was found between the control exerted by the punishment and the response-produced neutral simulus: Responding greatly increased after the S(Delta) punishment but not after the S(Delta) neutral stimulus; this increase in responding was independent of the punishment intensities studied.

Learning↗
PubMed1993

Shock avoidance but not DRL history reverses the effects of cocaine on punished behavior of squirrel monkeys.

A history of responding maintained by a shock-avoidance procedure can alter the effect of psychomotor stimulant drugs on punished responding. This study was designed to evaluate whether another type of historical intervention could also alter the effects of cocaine on punished responding and, as a result, clarify certain variables contributing to this effect. Lever pressing of four squirrel monkeys was suppressed by a punishment procedure consisting of a fixed-interval 5-min schedule of food presentation in which every 30th response also produced a 200-ms 5-mA electric shock. Cocaine (0.03-1.0mg/kg) had no effect on or reduced punished responding. Conditions were then changed and responding was maintained for several sessions by a differential reinforcement of low rate (DRL) schedule in which food was delivered only when one response followed another by at least 25s. The punishment schedule was then reinstated and the effects of cocaine redetermined; the dose-response curve was similar to that initially obtained. The monkeys then responded on a shock-avoidance schedule in which each response postponed the next scheduled shock for 25s; shocks occurred every 5s in the absence of responding. Subsequently, the shock-avoidance schedule was replaced by the punishment schedule and the effects of cocaine were redetermined. In contrast to the initial determination of the effects of cocaine on punished responding, and the effects obtained following training on the DRL schedule, cocaine then produced response rate increases or no change in rate at several doses that formerly reduced responding. These results demonstrate that the rate-decreasing effects of cocaine on punished responding may be reversed by a history of responding on a shock-avoidance schedule and also indicate that a history of responding on a DRL schedule is not sufficient to reverse the effects of cocaine. These data suggest that a history of responding under schedules, such as the DRL, that engender responding that is typically increased by psychomotor stimulant drugs, is not sufficient to reverse the effects of these drugs on punished responding. The reversal of the effects of cocaine on punished responding resulting from a history of avoidance responding appears to be attributable to factors other than the rate-increasing effect of cocaine on responding maintained by avoidance.

Journal Article↗
PubMed1995

Prevalence of corporal punishment among students in Washington State schools.

OBJECTIVES: To determine the prevalence of corporal punishment in Washington State and the factors associated with its use in Washington elementary and secondary schools. DESIGN: Cross-sectional mail survey performed during the summer of 1992. SETTING: All elementary and secondary schools in the state of Washington. RESULTS: One thousand eighteen schools (47%) responded to the survey, of which 80% were publicly funded and 63% were located in urban areas. The study sample closely resembled the profile of all schools in the state. Almost 11% of participating schools permitted corporal punishment at the time of the survey and 3.2% reported its actual use during the 1991-1992 school year, resulting in an estimated prevalence of 7.2 incidents per 1000 students per year. Sixteen percent of corporal punishment actions occurred in schools not permitting its use. Ninety percent of public schools relied on district policy regarding corporal punishment. School characteristics associated with the use of corporal punishment included rural location (crude odds ratio, 2.2; 95% confidence interval, 1.5 to 3.4), enrollment of less than 500 students (crude odds ratio, 1.7; 95% confidence interval, 1.1 to 2.7), and kindergarten to eighth-grade or kindergarten to 12th-grade enrollment (crude odds ratio, 2.5; 95% confidence interval, 1.6 to 3.9). CONCLUSIONS: The lack of a statewide ban on school corporal punishment at the time of this survey was associated with the continued use of corporal punishment against children in districts that continued to permit it. School policies against corporal punishment were associated with much lower prevalence. Continued efforts are needed to enact and enforce laws in the remaining states that have not yet banned corporal punishment.

Adolescent↗
PubMed2005

Effects of punishment on choice between cocaine and food in rhesus monkeys.

RATIONALE: Punishment is widely used in an effort to control drug-taking behavior; however, only a few preclinical studies have investigated the effects of punishment on drug self-administration. Such studies may contribute to more rational use of punishment to control drug use. OBJECTIVES: To evaluate the effects of punishment on choice between cocaine and food in rhesus monkeys. METHODS: Rhesus monkeys were trained under a concurrent-choice schedule of food delivery (1 g pellets, fixed-ratio 100 schedule) or cocaine injections (0-0.1 mg/kg per injection, fixed-ratio 10 schedule). Full cocaine choice dose-effect curves were determined under baseline conditions and under test conditions in which a putative punisher (intravenous histamine injection; 0.0032-0.032 mg/kg per injection) was paired with either food or cocaine delivery. RESULTS: Under baseline conditions, cocaine produced a dose-dependent increase in cocaine choice. Histamine functioned as a punisher of both food- and cocaine-maintained responding. Pairing histamine with food delivery reduced food choice, increased cocaine choice, and produced left shifts in the cocaine choice dose-effect curve. Conversely, pairing histamine with cocaine decreased cocaine choice, increased food choice, and produced right shifts in the cocaine choice dose-effect curve. The magnitude of histamine's punishing effects was directly related to histamine dose and probability of histamine delivery, and inversely related to the magnitude of the reinforcer. CONCLUSIONS: These results demonstrate that a primary effect of punishment in the context of food vs cocaine choice is not only a decrease in the behavior being punished, but also an increase in the unpunished alternative behavior.

Animals↗
PubMed2005

Maternal use of physical punishment in response to child misbehavior: implications for child abuse prevention.

OBJECTIVE: The objective was to examine the roles of cognition and affect in maternal use of physical punishment. METHOD: Through a review of the literature, distal and proximal predictors (cognitive and affective) of physical punishment use were identified. One hundred and ten mothers of 3-year-old children were interviewed regarding two disciplinary situations that occurred during the previous 2-week period that elicited their strongest reactions: one which resulted in the use of physical punishment (if this occurred) and one which did not. The individual and combined contributions of the predictors of physical punishment use were analyzed through logistic regression. RESULTS: The predictors of physical punishment following individual analyses were: maternal attitude toward physical punishment, maternal perception of the seriousness and intent of the child misbehavior, and maternal anger in response to the child misbehavior. Through multivariate analysis 54% of the variance in physical punishment use was explained. CONCLUSIONS: Both cognitive and affective factors affect the decision to use physical punishment with children. These findings can be useful in establishing parenting educational programming that is directed at decreasing the rates of physical punishment and subsequently child physical abuse.

Adoption↗
PubMed2003

Attitudes towards corporal punishment and reporting of abuse.

OBJECTIVES: To assess physicians' attitudes towards corporal punishment in childhood and their subsequent actions regarding the reporting of child abuse. PARTICIPANTS: 107 physicians (95 pediatricians and 12 family practitioners) who work in hospitals and community clinics in northern Israel were interviewed. Of the participants, 16% were new immigrants. PROCEDURE: A structured interview was conducted by one of two pediatric residents. RESULTS: Attitudes towards corporal punishment were not influenced by the physicians' sex or specialty. Corporal punishment was approved by 58% of the physicians. A significant difference in attitudes towards corporal punishment between immigrants and Israeli born physicians was found (p=.004). Family practitioners and especially senior ones were found significantly less tolerant towards corporal punishment than pediatricians (p=.04). While reporting behavior was not found to be associated with parental status and the past experience of the physicians with child abuse, a significant effect of attitudes towards corporal punishment on reporting behavior was found (p=.01). CONCLUSIONS: (1) Corporal punishment is still perceived as an acceptable disciplinary act by a significant proportion of physicians responsible for the health care of children in our area. (2) Attitudes towards corporal punishment are different between immigrants and native born Israeli trained doctors and, unexpectedly, pediatricians were more tolerant of corporal punishment than family practitioners.

Adult↗
PubMed1998

Attitudes of Kuwaiti parents toward physical punishment of children.

OBJECTIVE: The major aim was to describe parental attitudes to physical punishments and examine their sociodemographic correlates. A related aim was to assess the association of parents' own experience of physical punishment with attitudes to punishment of children. METHOD: A cross-sectional survey was conducted during the second week of December, 1996 in five general clinics covering the major administrative areas of Kuwait: 337 Kuwaiti mothers and fathers with at least one living child were contacted; 95% were successfully interviewed using a structured questionnaire. RESULTS: Eighty-six percent of parents agreed with physical punishment as a means of child disciplining. Agreement with punishment was higher in case of serious misbehaviors such as stealing (63%), sniffing glue and using drugs (77%). Multiple regression results showed that parent's lower level of education and Bedouin ethnicity were positively associated with agreement on physical punishment. Larger percentages of parents who had experienced physical punishments themselves agreed with such punishment to discipline their children, but this was not statistically significant. CONCLUSIONS: In recent years education has become widespread for both sexes. An inverse association between educational level and agreement on physical beating suggest that attitudes to this form of child disciplining are changing. Those with a Bedouin ethnic background still adhere more strictly to the traditional forms of child disciplining including physical beating. There is a need for conducting research on the possible negative psychosocial impacts of physical punishment in view of findings from other countries.

Adolescent↗
PubMed1987

Reaction to punishment, reflectivity, and passive avoidance learning in extraverts.

Passive avoidance learning occupies a central role in accounts of disinhibited behavior, ranging from psychopaths' persistent criminality (Hare 1970) to extraverts' gregariousness (Gray, 1972). To explore the mechanism underlying passive avoidance deficits, we assessed the relation of extraversion, neuroticism, and response latency after punishment to passive avoidance learning by using two successive go/no go discrimination tasks. The tasks were designed to examine two aspects of subjects' reactions to punishment: response speed on trials immediately following punishment (Experiment 1) and time to terminate punishment feedback between successive trials (i.e., reflectivity; Experiment 2). Consistent with previous findings, the results of Experiment 1 showed that extraverts commit more passive avoidance errors than introverts do (Newman, Widom, & Nathan, 1985) and fail to pause following punished errors (Nichols & Newman, 1986). In Experiment 2, only neurotic extraverts displayed this pattern of performance differences. In both experiments, longer pausing following punishment predicted better learning from punishment for both introverts and extraverts. These results suggest that, in the presence of salient cues for reward, extraverts' characteristic reaction to punishment interferes with processing punished errors and may contribute to their more general propensity for impulsive, nonreflective action.

Avoidance Learning↗
PubMed1966

Variable-interval punishment during variable-interval reinforcement.

Variable-interval punishment was superimposed on a variable-interval food reinforcement baseline for three groups of rats. The value for the variable-interval punishment schedule was the same as that for the variable-interval food reinforcement schedule, although the two schedules were programmed independently. The three groups were Variable Intervals 0.5, 1, and 3 min. Little or no suppression occurred in the three groups at mild (0.2 and 0.4 ma) intensities of punishment, but at 0.6 ma, complete suppression occurred almost uniformly. During continued punishment, there was no consistent recovery toward the pre-punishment baseline at suppressing intensities of punishment. After punishment was discontinued, recovery from suppression was more rapid the lower the punishment intensity, and the lower the value of the variable-interval schedules of reinforcement and punishment.

Animals↗
PubMed1991

[Response occurrence to the non-reinforced alternative through punishment in rats].

Each of eight rats was located in the experimental chamber mounted with two levers. Lever-pressing to either of the two was maintained by a schedule of food. After that, a punishment schedule of electric shocks was added. Neither the reinforcement nor the punishment schedule was programmed on the other lever, i.e. the non-reinforced alternative. The effect of reinforcement, and the joint effect of reinforcement and punishment on responses to the non-reinforced alternative were compared. During punishment sessions, responses to the non-reinforced alternative occurred significantly more often than during reinforcement sessions. The number of responses to the non-reinforced alternative was negatively correlated with that to the reinforced alternative during punishment sessions. Nevertheless, the occurrence of responses to the non-reinforced alternative was mainly observed during the first few sessions in punishment schedule, or after stepping up the intensity of electric shock. These results were discussed in relation to the two theories and models of punishment. The results imply that the two theories and models of punishment are necessary to explain the effect of punishment.

Animals↗
PubMed1975

Determinants of drug effects on punished responding.

The effects of drugs on punished responding depend on interactions among a large number of experimental variables. Among these variables are the drug history of the animal, the dose of the drug administered, the type of stimulus used to punish responding, the intensity and duration of the punishing stimulus, the schedule of presentation of the punishing stimulus, the control rate and pattern of punished responding, the schedule of positive reinforcement maintaining the punished responding, the species of animal, the deprivation state of the animal, the behavioral history of the animal, and the nature of the required response. Although it is not known how all of these variables interact to determine the effect of drugs on punished responding, there is evidence that many of these variables are important as determinants of drug effects. The task facing behavioral pharmacologists studying drug effects on punished responding is to determine under what conditions drugs produce their characteristic effects on punished responding.

Amphetamine↗
PubMed1967

The effects of punishment intensity on squirrel monkeys.

Responses of squirrel monkeys were maintained by a variable-interval schedule of food reinforcement. Concurrently, punishment consisting of a brief electric shock followed each response. As has been found for pigeons and rats, punishment did not produce extreme, all-or-none reactions. By gradually increasing the punishment intensity it was possible to produce response rates intermediate to no suppression and complete suppression. Similarly, the moment-to-moment response rate was free of extreme fluctuations. A "warm-up" effect occurred in which the punished responses were especially suppressed during the initial part of a session. The pre-punishment performance was negatively accelerated within a session, and punishment reduced the degree of negative acceleration. When punishment was discontinued, responding recovered immediately except when suppression had been complete or prolonged. When the punishment intensity was decreased gradually, more suppression resulted at a given intensity than when intensity was increased gradually. This suggests a "behavioral inertia" effect wherein behavior at a new punishment intensity is biased toward the behavior at the previous value. A corollary generalization is that the larger the change in intensity, the less the behavior at the new value will be biased toward the behavior at the previous value.

Journal Article↗
PubMed1969

Density and delay of punishment of free-operant avoidance.

In two experiments, the free-operant shock-avoidance behavior of rats was punished by electric shock. Two aspects of the schedule of response-produced shock were varied: the frequency of punishment over time (punishment density) and the temporal interval between the punished response and the punishment (punishment delay). The general finding was that response-produced shock suppressed avoidance responding under most of the density-delay combinations studied, and suppression increased as a function of increases in density and decreases in delay. Rate increases of small magnitude also were observed, usually as an initial reaction to the lesser densities and longer delays. Response suppression, while decreasing the number of punishment shocks received, also increased the number of avoidance shocks, so that the total number of shocks received usually was greater than the minimal number possible. The results were discussed from the standpoint of similarities between the effects of punishing positively and negatively reinforced behavior. The finding that subjects did not minimize the total number of shocks suggested that when avoidance behavior is punished, responding is controlled more by the local consequences of responding than by overall shock frequencies during the course of the session.

Journal Article↗
PubMed1973

The relative aversiveness of signalled versus unsignalled shock-punishment.

Six rats were trained on a two-component multiple schedule with each component consisting of a two-link chain schedule. Differential response suppression in the two initial links, as well as in the two terminal links of the chain schedules, was used as a measure of the relative aversiveness of stimulus events in the two terminal links. When signalled and unsignalled shock-punishment (in addition to equal numbers of food reinforcers) were scheduled in the separate terminal links, subjects responded at lower rates in the initial link preceding unsignalled shock-punishment than in the initial link preceding signalled shock-punishment. Similarly, subjects responded at lower rates in the terminal link containing unsignalled shock-punishment than in the terminal link containing signalled shock-punishment. Reversing the terminal-link positions of signalled and unsignalled shock-punishment led to a reversal of the differential response suppression in the two initial and the two terminal links of the chain schedules. These results indicate that signalled punishment is relatively less aversive than unsignalled punishment and support an "information hypothesis", which assumes that a condition in which information is provided about the onset of environmental events, even negative events such as shock punishment, is more reinforcing than a condition in which such information is absent.

Journal Article↗
PubMed1962

A facilitative effect of punishment on unpunished behavior.

The key pecking of two pigeons was reinforced on a variable-interval schedule of reinforcement during the presentation of each of two stimuli. In various phases of the experiment, punishment followed every response emitted in the presence of one of the stimuli. In general, when the rate of punished responding changed during the presentation of one stimulus, the rate of unpunished responding during the other stimulus changed in the opposite direction. This sort of change in rate is an example of behavioral contrast. When punishment was introduced, the rate of punished responding decreased and the rate of unpunished responding increased as functions of shock intensity. When the rate of previously punished responding increased after the termination of the shock, the rate of the always unpunished responding decreased. When the procedure correlated with a red key was changed from variable-interval reinforcement and punishment for each response to extinction and no punishment, the rate of reinforced responding during presentations of a green key decreased and then increased while the rate of the previously punished responding during red first increased and then decreased during extinction.

Animals↗