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181.
Randy O. Frost Gail A. Goolkasian Robin J. Ely Fletcher A. Blanchard 《Behaviour research and therapy》1982,20(2):113-121
Contrary to the belief that weight loss is a principal symptom of depression, several recent studies have suggested that certain people gain rather than lose weight when depressed. The present experiment concerned the effects of experimentally induced mood states on the eating behavior of high- and low-restraint persons. Sixty-eight female undergraduates were randomly assigned to one of three groups each designed to induce a different mood state (depressed, neutral or elated), and were classified as high or low restraint based on their responses to a questionnaire. During the mood induction procedure subjects were provided with the opportunity to eat. High-restraint persons induced into a depressed mood ate significantly more than high-restraint persons induced into neutral or elated moods, and more than low-restraint persons induced into a depressed mood. This effect was most prominent among subjects who scored high on the weight-fluctuation factor of the restraint scale. There was no evidence that this effect occurred among subjects who scored high on the concern for dieting factor. The role of emotional arousal on the self-control over eating behavior of high weight-fluctuation persons, and the implications of these findings for the evaluation of depression were discussed. 相似文献
182.
Fletcher J Maybery MT Bennett S 《Journal of experimental psychology. Learning, memory, and cognition》2000,26(1):246-252
A. S. Reber's (1992) proposition that the implicit learning system should demonstrate invariance of intellectual level (IQ) was examined by comparing 20 children with intellectual disability (mean mental age [MA] = approximately 5.8 years) with 20 intellectually gifted children (mean MA = approximately 12.4 years) of similar chronological age (CA; approximately 9.5 years). Implicit learning was assessed using a task involving covariation of 2 incidental cues. Explicit learning was assessed using a task of similar logical structure. Contrary to the IQ-invariance proposition, implicit learning as well as explicit learning varied with intellectual level. A secondary aim was to distinguish the contributions of CA, IQ, and MA to implicit learning. This was done by combining the samples of children in the present study with 2 samples of younger and older children of average ability from a study by M. Maybery, M. Taylor, and A. O'Brien-Malone (1995). Analyses showed that MA is critical to implicit learning. 相似文献
183.
Fletcher J 《The Psychoanalytic quarterly》2007,76(4):1241-1291
This paper aims to analyze Jean Laplanche's revision of Freudian metapsychology, which emerged from a critical return to Freud's officially abandoned seduction theory of 1895-1897. Where Freud gradually replaced the model of traumatic seduction with a theory of infantile sexuality and its drives, Laplanche articulates both trauma and sexual drive in a new theory of primal seduction, the fundamental anthropological situation in which human subjectivity is formed. The author concludes by considering Laplanche's modeling of the psychoanalytic situation and his reformulation of transference in relation to mourning and sublimation within the framework of the general theory of seduction. 相似文献
184.
Robin L. J. Lines Monique Crane Kagan J. Ducker Nikos Ntoumanis Cecilie Thøgersen-Ntoumani David Fletcher Daniel F. Gucciardi 《British journal of psychology (London, England : 1953)》2020,111(2):174-199
Adversities refer to events that are characterized by perceived or actual threat to human functioning. Often considered deleterious for health and well-being, recent work supports an alternative picture of the effects of adversity on human functioning, such that a moderate amount of adversity – when compared with none or high levels – can be beneficial. We extend this body of work in the current study by considering the breadth or type of adversities experienced simultaneously (referred to as polyadversity), with a focus on individual profiles of lifetime adversities. Latent class analysis was employed to explore different configurations of lifetime adversity experiences in two independent samples and examine how these latent classes differed with regard to resilience resources (i.e., optimism, hope, self-efficacy, and bounce-back ability). University students (N = 348) and members from the broader community (N = 1,506) completed measures of lifetime adversity exposure and resilience resources. Three polyadversity classes were revealed in each sample, with both producing a high and a low polyadversity class. The third class differed between samples; in the student sample, this class represented experiences of vicarious adversity, whereas in the community sample, it represented moderate levels of exposure to adversity. Support for the adaptive nature of a moderate amount of adversity exposure was found in the community sample but not in the student sample. This study produces initial evidence of how lifetime adversity experiences group together and how class membership is related to resilience resources. 相似文献
185.
Richard Fletcher Jennifer StGeorge Louise Newman Jaime Wroe 《Infant mental health journal》2020,41(1):145-157
There is increasing recognition of the issues facing men in the perinatal period. Vulnerability factors and issues in the partner relationship contribute to mental health risk and can impact the quality of the father–infant relationship. Yet, there is limited understanding of fathers’ help-seeking when they or their partner are experiencing mental health issues in the context of caring for a new baby. The present study examines fathers’ contacts with the Perinatal Anxiety and Depression Australia (PANDA) National Helpline. The study reviewed contacts from fathers and their identified needs for assistance, relationship issues, and support needs; 70% of male callers (N = 129) reported concerns about the mother's mental health, and 57% were concerned about relationship breakdown. Significant numbers of men raised issues about their own mental health (43%) and many were concerned about the impact of maternal mental state on the relationship with the infant. When compared to community data, there were elevated rates of concerns about depression and anxiety. Men also described difficulties with the fathering role and with regulating their own feelings of guilt and frustration. These findings highlight the needs of men for support when a mother experiences perinatal problems and also the risk for distress in fathers. 相似文献
186.
Richard Fletcher 《Infant mental health journal》2009,30(1):95-102
Maternal depression is recognized as posing a significant risk to the healthy development of infants. Guided by attachment theory, interventions have focused on the distressed mother's relationship with her infant. While interventions which include fathers are reported in the literature, the processes involved in the fathers' support of a distressed mother and in his interactions with his infant in the context of maternal depression remain unexplored. In the case study described here, home‐visiting support was directed to the father in a couple in which the mother had been treated for depression after the birth. The observed effects of the intervention on father–infant interaction and the “knock‐on” effects on the mothers' parenting suggest that targeting support to fathers in distressed families should be considered. Points for a service protocol are provided to incorporate fathers into the identification and treatment of maternal distress. 相似文献
187.
188.
Thiemann G Fletcher BC Ledent C Molleman A Hasenöhrl RU 《Neurobiology of learning and memory》2007,88(4):416-423
The endocannabinoid CB(1) receptor has been implicated in the inhibitory control of learning and memory. In the present experiment, we compared the behavioral response of CB(1) receptor knockout mice (CB(1)R(-/-)) with animals administered CB(1) receptor antagonist/inverse agonist SR141716A (rimonabant; 3 mg/kg IP, 30 min pre-trial) in terms of acquisition and retention of a habituation task and changes in cerebral monoamines. The results can be summarized as follows: (i) the acute and chronic invalidation of the CB(1) receptor resulted in an increase of behavioral habituation during the first exposure to an open field, indicative of enhanced acquisition of the task; (ii) CB(1)R(-/-) mice, but not rimonabant-treated animals, showed enhanced retention of the habituation task when re-tested 48 h and 1 week subsequent to the first exposure to the open field, respectively; (iii) the facilitation of retention of the habituation task in CB(1)R(-/-) mice was accompanied by a selective and site-specific increase in serotonin activity in hippocampus; and (iv) rimonabant-treated animals displayed 'antidepressant-like' neurochemical alterations of cerebral monoamines, that is, most parameters of monoaminergic activity were increased especially in dorsal striatum and hippocampus. Taken together, the present findings demonstrate that the genetic disruption of the CB(1) receptor gene can cause an improvement of behavioral habituation, which is considered to represent a form of 'non-associative' learning. Furthermore, our data support the assumption of a rimonabant-sensitive cannabinoid receptive site that is different from the 'classical' CB(1) receptor and which, under physiological conditions, might be involved in the inhibitory control of the acquisition but not retention of non-associative learning tasks. 相似文献
189.
The short-term memory (STM) of 25 deaf and 20 hearing adults fluent in Australian Sign Language (Auslan) was tested using both free- and serial-recall versions of three tasks. On two tasks, where stimuli were presented as either written words or Auslan signs, hearing subjects performed significantly better than deaf subjects. This difference was attributed to the facility of the hearing subjects in translating these two classes of language-based stimuli into phonological codes, which have a preferred status in STM. On the third, language-free task, which was an adaptation of the Corsi Blocks test, the deaf and hearing subjects performed at comparable levels, indicating that differences in their STM became evident only with the introduction of language-based factors. Analyses restricted to the deaf subjects showed that performances on the language-based STM tasks correlated positively with scores on a reading comprehension test. Also, deaf subjects who reported an oral education outperformed their counterparts, who reported a total communication (oral plus signed English) education on the language-based STM tasks. Thus, for this diverse adult deaf sample, proficiency in STM for language-based material, skill in reading, and report of an oral rather than total communication education appear to covary. 相似文献
190.