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241.
Subjective reports and theories about memory may have an influence on other beliefs and behaviours. Patients with schizophrenia suffer a wide range of deficits affecting their awareness of daily life, including memory. With the Metamemory Inventory in Adulthood (MIA) we ascertained patients’ memory knowledge and thoughts about their own cognitive capacities and about several aspects of cognitive functioning: personal capacities, knowledge of processes, use of strategies, perceived change with ageing, anxiety, motivation and mastery. The participants’ ratings were correlated with their intellectual, cognitive and psychiatric data. Patients felt they had a lower capacity and marginally lower mastery over their memory than comparison subjects. They reported less recourse to strategies, and higher levels of memory-related anxiety. However, their knowledge of basic memory processes, motivation to succeed, and perception of ageing effects were similar. So patients with schizophrenia do not suffer a general and non specific impairment of their metacognitive knowledge. 相似文献
242.
The present experiments were designed to explore the theory of early morpho-orthographic segmentation (Rastle, Davis, & New,
Psychonomic Bulletin & Review 11,1090–1098, 2004), which postulates that written words with a true morphologically complex structure (cleaner) and those with a morphological pseudostructure (corner) are both decomposed into affix and stem morphemes. We used masked complex transposed-letter (TL) nonword primes in a lexical
decision task. Experiment 1 replicated the well-known masked TL-priming effect using monomorphemic nonword primes (e.g., wran–WARN). Experiment 2 used the same nonword TL stems as in Experiment 1, but combined them with real suffixes (e.g., ish as in wranish–WARN). Priming was compared with that from nonsuffixed primes in which the real suffixes were replaced with nonmorphemic endings
(e.g., el as in wranel–WARN). Significant priming was found in the suffixed but not in the nonsuffixed condition, suggesting that affix-stripping occurs
at prelexical stages in visual word recognition and operates over early letter-position encoding mechanisms. 相似文献
243.
Dallérac G Zerwas M Novikova T Callu D Leblanc-Veyrac P Bock E Berezin V Rampon C Doyère V 《Learning & memory (Cold Spring Harbor, N.Y.)》2011,18(5):306-313
The neural cell adhesion molecule (NCAM) is known to play a role in developmental and structural processes but also in synaptic plasticity and memory of the adult animal. Recently, FGL, a NCAM mimetic peptide that binds to the Fibroblast Growth Factor Receptor 1 (FGFR-1), has been shown to have a beneficial impact on normal memory functioning, as well as to rescue some pathological cognitive impairments. Whether its facilitating impact may be mediated through promoting neuronal plasticity is not known. The present study was therefore designed to test whether FGL modulates the induction and maintenance of synaptic plasticity in the dentate gyrus (DG) in vivo. For this, we first assessed the effect of the FGL peptide on synaptic functions at perforant path-dentate gyrus synapses in the anesthetized rat. FGL, or its control inactive peptide, was injected locally 60 min before applying high-frequency stimulation (HFS) to the medial perforant path. The results suggest that although FGL did not alter basal synaptic transmission, it facilitated both the induction and maintenance of LTP. Interestingly, FGL also modified the heterosynaptic plasticity observed at the neighboring lateral perforant path synapses. The second series of experiments, using FGL intracerebroventricular infusion in the awake animal, confirmed its facilitating effect on LTP for up to 24 h. Our data also suggest that FGL could alter neurogenesis associated with LTP. In sum, these results show for the first time that enhancing NCAM functions by mimicking its heterophilic interaction with FGFR facilitates hippocampal synaptic plasticity in the awake, freely moving animal. 相似文献
244.
van Manen JG Andrea H van den Eijnden E Meerman AM Thunnissen MM Hamers EF Huson N Ziegler U Stijnen T Busschbach JJ Timman R Verheul R 《Journal of personality disorders》2011,25(5):656-667
Within a large multi-center study in patients with personality disorders, we investigated the relationship between patient characteristics and treatment allocation. Personality pathology, symptom distress, treatment history, motivational factors, and sociodemographics were measured at intake in 923 patients, who subsequently enrolled in short-term or long-term outpatient, day hospital, or inpatient psychotherapy for personality pathology. Logistic regressions were used to examine the predictors of allocation decisions. We found a moderate relationship (R(2) = 0.36) between patient characteristics and treatment setting, and a weak relationship (R(2) = 0.18) between patient characteristics and treatment duration. The most prominent predictors for setting were: symptom distress, cluster C personality pathology, level of identity integration, treatment history, motivation, and parental responsibility. For duration the most prominent predictor was age. We conclude from this study that, in addition to pathology and motivation factors, sociodemographics and treatment history are related to treatment allocation in clinical practice. 相似文献
245.
Elisabeth M. Weiss Christian G. Kohler Karen A. Nolan Pal Czobor Jan Volavka Meredith M. Platt Colleen Brensinger James Loughead Margarete Delazer Raquel E. Gur Ruben C. Gur 《Aggressive behavior》2006,32(3):187-194
Social psychological research underscores the relation between aggression and emotion. Specifically, regulating negative affect requires the ability to appraise restraint‐producing cues, such as facial signs of anger, fear and other emotions. Individuals diagnosed with major mental disorders are more likely to have engaged in violent behavior than mentally healthy members of the same communities. We examined whether violent and criminal behavior in men with schizophrenia is related to emotion recognition abilities. Forty‐one men with schizophrenia underwent a computerized emotion discrimination test presenting mild and extreme intensities of happy, sad, angry, fearful and neutral faces, balanced for gender and ethnicity. History of violence was assessed by the Life History of Aggression Scale and official records of arrests. Psychopathology was rated using the Positive and Negative Symptom Scale. Criminal behavior was associated with poor emotion recognition, especially for fearful and angry facial expressions. History of aggression was also associated with more severe positive symptoms and less severe negative symptoms. These findings suggest that misinterpretation of social cues such as angry and fearful expression may lead to a failure in socialization and adaptive behavior in response to emotional situation, which may result in a higher number of criminal arrests. Aggr. Behav. 32:1–8, 2006. © 2006 Wiley‐Liss, Inc. 相似文献
246.
Sarah Terrell Elisabeth Conradt Lynne Dansereau Linda Lagasse Barry Lester 《Infant mental health journal》2019,40(1):54-66
Children with prenatal substance exposure are at increased risk for externalizing behavior problems and violence. However, the contribution of early life experiences for placing these individuals at risk is not well understood. Utilizing a sample of 1,388 children with prenatal substance exposure from the Maternal Lifestyle Study, we attempt to shed light on these contributing factors by examining the impact of infant temperament, maternal sensitivity, and early life stress on the expression of violent behavior at ages 12 through 14 years. Males may be more at risk for increases in violent behavior in early adolescence through a number of early life experiences, such as variability in responses to maternal flexibility and engagement related to individual differences in temperament, as well as exposure to early adversity. Comparing two prevailing developmental theoretical frameworks, deficit models and differential susceptibility, we aim to understand the developmental origins of violent behavior in males by identifying children who may be most susceptible to early caregiving experiences. 相似文献
247.
Elisabeth Conradt Brendan Ostlund Dylan Guerin David A. Armstrong Carmen J. Marsit Edward Tronick Lyn LaGasse Barry M. Lester 《Infant mental health journal》2019,40(4):513-522
Caregivers play a critical role in scaffolding infant stress reactivity and regulation, but the mechanisms by which this scaffolding occurs is unclear. Animal models strongly suggest that epigenetic processes, such as DNA methylation, are sensitive to caregiving behaviors and, in turn, offspring stress reactivity. We examined the direct effects of caregiving behaviors on DNA methylation in infants and infant stress reactivity. Infants and mothers (N = 128) were assessed during a free play when infants were 5 months old. Maternal responsiveness and appropriate touch were coded. and infant buccal epithelial cells were sampled to assess for DNA methylation of the glucocorticoid receptor gene, NR3c1 exon 1F. Infant cortisol reactivity was assessed in response to the still-face paradigm. Greater levels of maternal responsiveness and appropriate touch were related to less DNA methylation of specific regions in NR3c1 exon 1F, but only for females. There was no association with maternal responsiveness and appropriate touch or DNA methylation of NR3c1 exon 1F on prestress cortisol or cortisol reactivity. Our results are discussed in relation to programming models that implicate maternal care as an important factor in programing infant stress reactivity. 相似文献
248.
Elisabeth M. Riedl Joachim Thomas 《European Journal of Work and Organizational Psychology》2019,28(3):414-429
The purpose of this study is to examine the moderating role of state work pressure (conceived as a hindrance demand) on the relationships between situational emotional demands (conceived as a challenge demand) and tension, emotional exhaustion and work engagement within nursing while considering job resources as covariates. Ninety-seven nurses from two German hospitals provided 1026 measurements. Multilevel analyses indicated a significant Work Pressure × Emotional Demands interaction for emotional exhaustion, with high situational work pressure exacerbating the positive association between state emotional demands and emotional exhaustion. Furthermore, work pressure moderated the relationship between emotional demands and vigour: state emotional demands related negatively to vigour only when work pressure was higher than usual, while the relationship was non-significant when work pressure was lower than usual. For dedication, similar results were obtained: state emotional demands were negatively associated with dedication only when combined with high situational work pressure; with low situational work pressure, state emotional demands did not relate to dedication. Contributing to the job demands-resources literature, this study shows that there are stress-exacerbating and stress-buffering interactions between different job demands from a within-subject perspective. However, we did not find positive relationships between challenge demands and work engagement, even in the case of low situational hindrances, indicating that there are conditions for the functioning of job demands as a challenge beyond hindrances. 相似文献
249.
Fanelli Daniele Costas Rodrigo Fang Ferric C. Casadevall Arturo Bik Elisabeth M. 《Science and engineering ethics》2019,25(3):771-789
Science and Engineering Ethics - It is commonly hypothesized that scientists are more likely to engage in data falsification and fabrication when they are subject to pressures to publish, when they... 相似文献
250.
Relationships between cognitive and behavioral measures of executive function in children with brain disease. 总被引:2,自引:0,他引:2
Vicki A Anderson Peter Anderson Elisabeth Northam Rani Jacobs Ola Mikiewicz 《Child neuropsychology》2002,8(4):231-240
This study addressed the clinical and construct validity of the Behavior Rating Inventory of Executive Function. (BRIEF: Gioia, Isquith, Guy, & Kenworthy, 2000), a questionnaire designed to tap behavioral aspects of executive functions in children. BRIEF profiles in early treated phenylketonuria (PKU; n=44), early treated hydrocephalus (n=45), frontal focal lesions (n=20) and controls (n=80) were examined. Clinical validity was supported through significant between-group comparisons, especially between the frontal focal lesion group and other groups. To examine construct validity, raw scores on cognitive executive function measures including the Contingency Naming Test (CNT), Rey Complex Figure (RCF), Tower of London (TOL), and Controlled Oral Word Association Test (COWAT), were correlated with BRIEF scale scores. Few significant correlations were found, indicating cognitive and behavioral measures appear to tap different constructs within the executive function domain. A dissociation was found between behavioral and cognitive impairments in the frontal as opposed to PKU and hydrocephalus groups. This is discussed in relation to underlying pathology, the cognitive measures used, and possible limitations in the BRIEF's usefulness for measuring behavioral executive dysfunction in groups only mildly affected by neurological compromise. 相似文献