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PubMed2000

The impact of motivation on temporal comparisons: coping with traumatic events by perceiving personal growth.

Four studies were conducted to investigate the impact of self-enhancement motivation on the temporal comparisons of victims of stressful life events. Study 1 revealed that (a) victims were more likely than acquaintances of victims to report greater improvement in their personal attributes after traumatic life events than after mild negative life events and (b) victims perceived improvement by derogating their pre-event attributes. In Studies 2 and 3, an experimental approach was used to study the impact of threatening experiences on perceptions of personal growth, and similar findings were obtained. Study 4 confirmed that threatening self-relevant feelings play a causal role in prompting self-enhancing temporal comparisons. Taken together, the findings of these studies support the view that perceptions of personal improvement reflect, at least in part, motivated illusions that are designed to help people cope with threatening life experiences.

Adaptation, Psychological↗
PubMed2001

The influence of implicit motives on memory processes.

Four studies tested the hypothesis that agentic and communal motives act as a channel for new knowledge and are linked to specific ways of organizing information that facilitate its accessibility. In Study 1, agentic and communal participants read an agentic or a communal vignette consisting of differentiated and integrated statements, performed a distraction task, then completed written recall and recognition tasks. Agentics recalled and recognized more differentiation in the agentic story; communals recalled and recognized more integration in the communal story. A computerized replication with randomized recognition items (Study 2) found the same pattern of recognition results. Studies 3 and 4 used implicit motive primes and found similar results in both written and computerized recognition tasks. These ways of organizing information have powerful implications for the encoding of autobiographical knowledge and its long-term organization.

Autobiographies as Topic↗
PubMed2002

Do people with low self-esteem really want to feel better? Self-esteem differences in motivation to repair negative moods.

This research examined the hypothesis that people with low self-esteem (LSE) are less motivated than people with high self-esteem (HSE) to repair their negative moods. In Study 1, participants completed diaries in response to either a success or a failure in their everyday lives. Participants described what they intended to do next and the reasons behind those plans. After failure, fewer LSE than HSE participants expressed a goal to improve their mood. A follow-up investigation (Study 2) suggested that this difference was not due to a self-esteem difference in knowledge of mood repair strategies. In Study 3, after undergoing a negative mood induction, fewer LSE than HSE participants chose to watch a comedy video, even though both groups believed the comedy video would make them happy. Studies 4 and 5 explored possible reasons why LSE people are less motivated than HSE people to repair their negative moods.

Emotions↗
PubMed2002

Approach-avoidance motivation in personality: approach and avoidance temperaments and goals.

The present research examined the role of approach and avoidance motivation in models of personality. Specifically, it examined the hypothesis that approach and avoidance temperaments represent the foundation of several basic dimensions espoused in the trait adjective, affective disposition, and motivational system approaches to personality. Factor analytic support for the hypothesis was obtained in Studies 1, 2, and 6; measures of extraversion, positive emotionality, and behavioral activation system loaded together on 1 factor (Approach Temperament) and measures of neuroticism, negative emotionality, and behavioral inhibition system loaded on another factor (Avoidance Temperament). This 2-factor structure was shown to be independent of response biases. In Studies 3-7, approach and avoidance temperaments were shown to be systematically linked to achievement goals (both nomothetic and idiographic). The findings are discussed in terms of an integrative approach to personality.

Achievement↗
PubMed2003

Forgiveness, forbearance, and time: the temporal unfolding of transgression-related interpersonal motivations.

The investigators proposed that transgression-related interpersonal motivations result from 3 psychological parameters: forbearance (abstinence from avoidance and revenge motivations, and maintenance of benevolence), trend forgiveness (reductions in avoidance and revenge, and increases in benevolence), and temporary forgiveness (transient reductions in avoidance and revenge, and transient increases in benevolence). In 2 studies, the investigators examined this 3-parameter model. Initial ratings of transgression severity and empathy were directly related to forbearance but not trend forgiveness. Initial responsibility attributions were inversely related to forbearance but directly related to trend forgiveness. When people experienced high empathy and low responsibility attributions, they also tended to experience temporary forgiveness. The distinctiveness of each of these 3 parameters underscores the importance of studying forgiveness temporally.

Adolescent↗
PubMed1996

Role of primary motivation in stimulus preexposure effects.

It is currently a matter of debate whether the deficit in conditioning observed after stimulus preexposure is one of acquisition or one of performance. The major criticism of performance-based theories is their inability to specify what is learned during nonreinforced preexposure that may influence subsequent acquisition of conditioned responding-Experiments 1 and 2 used an excitatory appetitive conditioning procedure and Experiment 3 used an inhibitory appetitive conditioning procedure, with rats as subjects, and consistently found that the effects of preexposure to a stimulus transferred to conditioning only when the reinforcer was relevant to the motivational state in which that preexposure was conducted. This finding suggests that during preexposure, rats learn that a stimulus is unrelated to events of relevance to their current motivational state.

Animals↗
PubMed1998

Appetitive motivational states differ in their ability to augment aversive fear conditioning in rats (Rattus norvegicus).

The present experiments compared the effects of 2 appetitive motivational states on the acquisition of Pavlovian fear conditioning in rats (Rattus norvegicus). In Experiment 1, rats were deprived of either water or food prior to contextual fear conditioning, which consisted of the delivery of a single footshock in a novel observation chamber. Conditional fear to the contextual cues of the conditioning chamber was measured by observing freezing behavior. The results revealed that water, but not food, deprivation enhanced conditional freezing to contextual stimuli paired with footshock. Experiment 2 indicated that the different impact of food or water deprivation on the acquisition of conditional freezing was not due to differential generalization decrements during extinction testing. Together, these experiments suggest that the modulation of fear conditioning by deprivation state is specific to certain motivational systems.

Animals↗
PubMed1996

Usefulness of the protection motivation theory in explaining hearing protection device use among male industrial workers.

The present study examined the usefulness of personal variables: noise annoyance, and components of the protection motivation theory (R. W. Rogers, 1983) along with social-organizational factors in explaining hearing protection device (HPD) use among Israeli manufacturing workers. Participants were 281 men exposed to harmful noise levels for which routine HPD use is required by regulation. In practice, 3 HPD user groups were identified: nonusers (n = 38), occasional users (n = 125), and regular users (n = 118). HPD use was objectively verified. HPD use was primarily related to the personal variables but not to management pressure, coworker pressure, or family support. The most powerful predictors of HPD use were perceived self-efficacy (for long-term HPD use), perceived susceptibility (to hearing loss), and noise annoyance, together explaining 48% of the outcome variance. These findings have implications for interventions aimed at motivating workers to use HPDs regularly.

Adolescent↗
PubMed1997

Effect of sexual motivation on men's risk perception for sexually transmitted disease: there must be 50 ways to justify a lover.

Recent research has incorporated situational factors into assessment of risk. Working from a rational appraisal framework, however, these studies have not emphasized contextual features that might introduce motivated risk assessment. In the current study, participants (N = 40 male undergraduates) lowered their risk perceptions for STDs following the induction of a sexual motivation. In an initial baseline condition, participants estimated the risk of contracting STDs from partners with relatively high- or low-risk sexual histories. In a subsequent trial, participants repeated the imagery task while viewing photographs that were high or low in sex appeal. As predicted, participants reduced their risk perceptions when they viewed photographs high in sex appeal. The only necessary precondition was the presence of nondiagnostic information from which they could construct biased risk estimates.

Adult↗
PubMed1989

Modulation of appetitively and aversively motivated behavior by the kappa opioid antagonist MR2266.

MR2266 (MR), an opioid antagonist that binds to kappa and mu receptors, was examined for its ability to influence the aversively motivated behaviors conditioned by electric shock and the drinking induced by water deprivation or the availability of a palatable saccharin/glucose solution. The intraperitoneal (ip) and intracerebroventricular (icv) administration routes were contrasted. After both ip and icv administration, MR was able to reverse conditional analgesia as measured by the formalin test. MR enhanced the Pavlovian conditional freezing response when administered icv prior to shock exposure but reduced freezing if given ip prior to shock. A related benzomorphan-derived opioid antagonist, MR1452, also reduced freezing when given ip prior to shock. MR2266 was a potent antidipsogenic agent when administered ip but had no such effect when administered icv. It is concluded that separable opioid systems are involved in the modulation of appetitively and aversively motivated behaviors.

Animals↗
PubMed1993

The parabrachial nucleus: a brain stem substrate critical for mediating the aversive motivational effects of morphine.

Bilateral ibotenic acid lesions of the lateral, but not the medial, parabrachial nucleus (PBN) blocked conditioned taste aversion (CTA) induced by morphine but not conditioned place preference induced by morphine. The same lateral PBN lesions also blocked conditioned place aversion produced by low intraperitoneal doses of morphine (shown to produce aversion, instead of preference, due to a restricted action on gut opiate receptors). Lateral PBN lesions did not block CTA produced by LiCl. Cerebral peduncle lesions that destroyed the direct descending projections from the visceral cortex to the PBN did not block CTA induced by morphine, nor did ibotenic acid lesions of the tegmental pedunculopontine nuclei (shown to block place preference produced by even high morphine doses). It is suggested that the lateral PBN is a critical link in the neural pathway carrying the aversive motivational effects of opiates from the gut into the central nervous system, independent of the neural pathway carrying the rewarding motivational effects of morphine.

Animals↗
PubMed1994

Testosterone has rewarding affective properties in male rats: implications for the biological basis of sexual motivation.

Evidence from mammalian species, including humans, suggests that testosterone (T) enhances motivational aspects of sexual behavior, although the mechanism by which T exerts this effect is unknown. The hypothesis that increases in plasma T have rewarding affective properties was examined. Acute elevations of plasma T were induced in intact male rats by systemic administration of a recently developed testosterone-hydroxypropyl-beta-cyclodextrin inclusion complex that mimics pulsatile release of the hormone. In a conditioned-place-preference paradigm, rats displayed a preference for an environment previously paired with T administration (800 micrograms/kg and 1,200 micrograms/kg) as opposed to an environment paired with saline administration, indicating that T has rewarding affective properties. The findings suggest that T may enhance motivational aspects of mammalian sexual behavior by facilitating acquisition or expression of learned associations between environmental stimuli and sexual activity.

Affect↗
PubMed1994

Memory of rats with amygdala lesions induced 30 days after footshock-motivated escape training reflects degree of original training.

This experiment was conducted to determine whether the amount of preoperative training influences the effects, on retention, of amygdala lesions induced 30 days after escape training. Rats received 1 or 10 footshock-motivated escape training trials; 30 days later, sham or neurotoxic amygdala lesions were induced. Results of an inhibitory avoidance test performed 4 days after surgery indicated that amygdala lesions impaired retention performance; however, increased preoperative training partially attenuated the retention deficit. Increased preoperative training also attenuated the impairing effects of the lesions on retention assessed in a continuous multiple-trial inhibitory avoidance task given 36 days after the original escape training. The finding that amygdala-lesioned rats remembered the escape training suggests that the amygdala is not a critical locus of the changes underlying the long-term retention of footshock-motivated escape training.

Amygdala↗
PubMed1993

Attachment and obligation as daughters' motives for caregiving behavior and subsequent effect on subjective burden.

Existing studies have failed to adequately determine the combined effects of attachment and filial obligation as motives for adult children's caregiving behavior. This study's aim was to clarify the effects of these motives on caregiving and subsequent feelings of burden. In a path analysis of data from 78 daughters caring for elderly mothers, both attachment and obligation were related to amount of help provided. Stronger attachment was related to less subjective burden, whereas stronger obligation was related to greater burden. Contextual variables also contributed to the explanation.

Activities of Daily Living↗
PubMed1998

Naloxone blocks reinforcement but not motivation in an operant runway model of heroin-seeking behavior.

The present study examined the effects of opiate receptor antagonism on both the motivation to seek heroin and the reinforcing consequences of heroin administration. Subjects were trained to discriminate between olfactory cues predicting either the delivery of intravenous heroin reinforcement (S+) or saline (S-). Subjects were then tested in the presence of the opiate receptor antagonist, naloxone (0.5, 1.0, or 3.0 mg/kg intraperitoneally). Naloxone had no effect on either S+ or S- trials. However, 24 hr later on the first posttreatment trial, subjects that had received heroin in the presence of naloxone (on the previous trial) now traversed the alley more slowly when presented with the S+. These data suggest that although the motivation to seek heroin was not disrupted by naloxone, the reinforcing consequences of heroin administration were.

Animals↗
PubMed2003

Symbolic, relational, and ideological signifiers of bias-motivated offenders: toward a strategy of assessment.

Developmental, ideological, and behavioral characteristics of 58 convicted hate crime offenders were examined. Ratings on the Psychopathy Checklist: Screening Version, HCR-20, and Bias Motivation Profile (BMP) were made via record review. Offense characteristics were rated on the Cornell Aggression Index and Cormier-Lang Crime Index. Results indicated that offenders with higher BMP scores engaged in more instrumental (i.e., premeditated) aggression and targeted racial-ethnic minority victims. Significant within-group variation in the prominence of offender bias motivation on the BMP was observed.

Adolescent↗
PubMed2000

Goal orientation and task demand effects on motivation, affect, and performance.

Two studies tested the joint effects of goal orientation and task demands on motivation, affect, and performance, examining different factors affecting task demands. In Study 1 (N = 199), task difficulty was found to moderate the effect of goal orientation on performance and affect (i.e., satisfaction with performance). In Study 2 (N = 189), task consistency was found to moderate the effect of goal orientation on self-efficacy and intrinsic motivation. Results are discussed in relation to self-regulatory processes cued by goal orientations, attentional resource demands, and the need to match goal orientations to the nature of the task.

Analysis of Variance↗
PubMed2001

Job search and employment: a personality-motivational analysis and meta-analytic review.

A motivational, self-regulatory conceptualization of job search was used to organize and investigate the relationships between personality, expectancies, self, social, motive, and biographical variables and individual differences in job search behavior and employment outcomes. Meta-analytic results indicated that all antecedent variables, except optimism, were significantly related to job search behavior, with estimated population correlations ranging from -.15 to .46. As expected, job search behavior was significantly and positively related to finding employment. Several antecedents of job search were also significantly related to employment success, although the size of these relationships was consistently smaller than those obtained for job search. Moderator analyses showed significant differences in the size of variable relationships for type of job search measure (effort vs. intensity) and sample type (job loser vs. employed job seeker vs. new entrant).

Employment↗