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161.
Bachman P Niendam TA Jalbrzikowski M Jalbrzikowkski M Park CY Daley M Cannon TD Bearden CE 《Journal of abnormal child psychology》2012,40(4):645-654
Onset of psychosis may be associated with abnormal adolescent neurodevelopment. Here we examined the neurocognitive profile
of first-episode, adolescent onset psychosis (AOP) as compared to typically developing adolescents, and asked whether neurocognitive
performance varied differentially as a function of age in the cases compared with controls. A comprehensive neuropsychological
battery was administered to 35 patients experiencing a first-episode of a DSM-IV psychotic disorder and to 31 matched controls.
Clinicians also rated subjects’ social and role functioning, both at the time of neuropsychological assessment and 1 year
later. Although patients displayed a wide range of impairments relative to controls, their most pronounced deficits included
verbal memory, sensorimotor dexterity and cognitive processing speed. Among these, only processing speed showed a significant
group-by-age interaction, consistent with an aberrant developmental course among AOP patients. Processing speed also accounted
for substantial variance in other areas of deficit, and predicted social functioning 1 year later. AOP patients fail to show
normal age-related increases in processing speed, which in turn predicts poorer functional outcomes. This pattern is consistent
with the view that adolescent brain developmental processes, such as myelination, may be disrupted in these patients. 相似文献
162.
Natalia Jaworska Lindsay Berrigan Derek Fisher Adekunle G. Ahmed Jonathan Gray John Bradford Athanassia Korovessis Paul Fedoroff Verner Knott 《Aggressive behavior》2012,38(6):469-480
Dysfunctional anger, though not a primary clinical diagnosis per se, does present clinically as a pathological mood for which treatment is sought. Few studies have probed the neurocortical correlates of dysfunctional anger or assessed if cognitive processes, such as attention, are altered in dysfunctional anger. Though dysfunctional and high trait anger appears to be associated with biased processing of anger‐eliciting information, few studies have examined if dysfunctional anger modulates attention more generally. This is a notable gap as volitional attention control is associated with effective emotive regulation, which is impaired in dysfunctional anger and in associated acts of aggression. In this pilot study, we examined performance and electroencephalographic (EEG) profiles during a 12‐min continuous performance task (CPT) of sustained attention in 15 adults with dysfunctional anger (Anger group) and 14 controls (control group). The Anger group had fewer hits at the end of the CPT, which correlated with decreased frontocortical activation, suggesting decreased engagement of frontal circuits when attention is taxed. The Anger group had more false alarms overall indicating impaired response inhibition. Increased right cortical activation during the initial portion of CPT existed in the Anger group, perhaps reflecting greater engagement of frontal circuits (i.e. effort) during initial stages of the task compared to controls. Finally, increased overall beta1 power, suggesting increased cortical activation, was noted in the Anger group. These EEG patterns suggest a hypervigilant state in dysfunctional anger, which may interfere with effective attention control and decrease inhibition. Such impairments likely extend beyond the laboratory setting, and may associate with aggressive acts in real life. Aggr. Behav. 38:469‐480, 2012. © 2012 Wiley Periodicals, Inc. 相似文献
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Shana Golembo-Smith Peter Bachman Damla Senturk Tyrone D. Cannon Carrie E. Bearden 《Journal of abnormal child psychology》2014,42(4):649-658
Early identification of individuals who will go on to develop schizophrenia is a difficult endeavor. The variety of symptoms experienced by clinical high-risk youth make it difficult to identify who will eventually develop schizophrenia in the future. Efforts are being made, therefore, to more accurately identify at-risk individuals and factors that predict conversion to psychosis. As in most assessments of children and adolescents, however, both youth and parental report of symptomatology and resulting dysfunction are important to assess. The goals of the current study were to assess the extent of cross-informant agreement on the Structured Interview for Prodromal Symptoms (SIPS), a widely-used tool employed to determine clinical high-risk status. A total of 84 youth-caregiver pairs participated. Youth and caregiver raters displayed moderate overall agreement on SIPS-rated symptoms. Both youth and caregiver ratings of youth symptomatology contributed significantly to predicting conversion to psychosis. In addition, youth age and quality of youth-caregiver relationships appear to be related to cross-informant symptom ratings. Despite differences on individual SIPS domains, the majority of dyads agreed on youth clinical high-risk status. Results highlight the potential clinical utility of using caregiver informants to determine youth psychosis risk. 相似文献
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Lincoln Cannon 《Theology & Science》2013,11(2):202-218
AbstractMormon transhumanism is the idea that humanity should learn how to be compassionate creators. This idea is essential to Mormonism, which provides a religious framework consistent with naturalism and supportive of human transformation. Mormon transhumanists are not limited to traditional or popular accounts of religion, and embrace opportunities and risks of technological evolution. Although usually considered secular, transhumanism has some religious origins and sometimes functions as religion. Accelerating change contextualizes a Mormon transhumanist narrative of common expectations, aspirations, and parallels between Mormonism and transhumanism. Mormon transhumanism has produced secular arguments for faith in God and religious arguments for transhumanism. 相似文献
169.
When viewing a face expressing emotion, the viewer's face mimics the same emotion. It is unknown whether such facial mimicry takes place when the viewed emotion is a task irrelevant property of the face. The present experiment addressed this question by asking participants to judge either the emotional expression or the colour of a series of happy and angry faces that were either blue or yellow. Electromyographical recordings showed that when emotion was ignored, there was a tendency for facial muscle activity to be suppressed. Nonetheless, participants’ facial expressions mimicked target expressions, with the zygomaticus cheek muscle being more active when viewing a smiling face and the corrugator brow muscle more active when viewing an angry face. These data support the automatic encoding of irrelevant emotional information, as well as suppression of emotional information by selective attention. 相似文献
170.
Fluency of visual processing induces affective responses, with easier-to-process stimuli being preferred (Winkielman & Cacioppo, 2001). The present study extends this research to the motor domain by investigating the effect of sensorimotor fluency on affective reactions to objects in a categorisation task. In fluent stimulus–response (s–r) trials, grasp-compatible objects were presented on the same side of the screen as the response hand; in non-fluent trials, grasp incompatible objects were presented on the opposite side of the screen to the response hand. Affective responses were measured implicitly using face muscle activity (electromyography). As predicted, participants exhibited greater cheek muscle activity (associated with smiling) in trials with s–r compatible responses compared with incompatible responses. These findings support hedonic models of fluency in which fluent processing elicits direct emotional experience, and suggest that models of hedonic fluency should take into account the integration of the motor system in visual processing. 相似文献