视空间定位的短时记忆的超广度研究

采用视空间定位的短时记忆任务研究记忆负载的增加对空间位置信息和时间顺序信息的记忆成绩的影响。结果表明,在记忆负载较低时,位置记忆和顺序记忆的成绩相同;当记忆负载逐渐增大时,位置记忆的成绩逐渐上升,而顺序记忆的成绩先上升后下降,两者出现显著性的差异。在这个过程中,短时记忆的加工发生相应的变化,体现了短时记忆加工资源的有限性。     

Assessing Culturally Different Students for Attention Deficit Hyperactivity Disorder Using Behavior Rating Scales

Behavior rating scales are commonly used in the assessment of attention deficit-hyperactivity disorder (ADHD). However, there is little information available concerning the extent to which scales are valid with culturally different students. This study explored the use of the ADHD-IV Rating Scale School Version with male Caucasian (CA) and African American (AA) students from ages 5 to 18 years. Teachers rated AA students higher on all symptoms across all age groups. LISREL analysis indicated that scale does not perform identically across groups. This was supported by the results of multidimensional scaling with suggested that there is a different relation between items across groups. Implications for research and practice are discussed.     

Methylphenidate Does Not Modify the Impact of Response Frequency or Stimulus Sequence on Performance and Event-Related Potentials of Children with Attention Deficit Hyperactivity Disorder

Twenty-six children with attention deficit/hyperactivity disorder (ADHD) participated in a double-blind trial consisting of 2 consecutive weeks each of placebo and methylphenidate (M = 26.92 mg/day = 0.78 mg/kg/day). As expected, stimulant therapy resulted in moderate weight loss, increased somatic complaints, and teacher and parent reports of reduced inattentiveness, aggression, and oppositionality. In both phases of the trial, patients were tested in a choice reaction time task assessing two aspects of the task that presumably affect response selection: response frequency (ratio of targets/nontargets = 25/75 vs. 50/50) and stimulus sequence (alternations vs. repetitions). Both manipulations yielded expected results on performance and event-related potentials (ERPs). Stimulant treatment increased accuracy and speed among younger children and curtailed variability of reaction time for the sample as a whole. However, methylphenidate did not affect ERPs. In combination, the results imply that the enhancement of performance by methylphenidate does not involve the demands of response selection examined in this study.     

An Integrative Brief Treatment Approach for Obsessive-Compulsive Disorder

This article reports on the integrated application of cognitive therapy, transactional analysis techniques, and the behavioral technique of response prevention using self-instructional training and behavioral substitution in a brief therapy approach. These methods were applied in the case of a young man who presented with compulsions to perform repetitive and ordering rituals with the belief that it would prevent his girlfriend from becoming pregnant. A 21-year-old white male who had performed 3 to 5 hours of rituals daily for several years was able to eliminate the majority of his compulsive behaviors and reduce his level of anxiety after eight clinical therapy sessions. Results were maintained at 6-month follow-up. The clear precipitating factors and the unusual maintaining variables for the disorder in the client are described. The author discusses the case in light of current theoretical, therapeutic, and biomedical understandings of the disorder.     

Behavioral Family Interventions for Improving Child-rearing: A Review of the Literature for Clinicians and Policy Makers

This paper reviews evidence that behavioral family interventions are effective at improving child-rearing in distressed families and families with children exhibiting disruptive behavior. Essential therapeutic strategies offered within a collaborative therapeutic process are identified. Exemplary materials for parents and clinicians are identified. Differences between behavioral family interventions and two popular press parenting approaches are highlighted, including the lack of empirical support for these widely used programs and the advice they offer which runs counter to behavioral approaches. Recommendations are offered for combining behavioral family interventions with other empirically supported approaches, promoting more widespread use of empirically supported treatments, such as behavioral family interventions, and the need for a public health perspective on family functioning, involving collaboration among clinicians, policy makers, and researchers.     

Story Comprehension in Children with ADHD

A wealth of research is available examining children's story comprehension. However, little attention has been directed toward understanding the story comprehension of children with attention deficit hyperactivity disorder (ADHD). The present paper attempts to integrate the developmental literature on children's story comprehension with the little that is known about the story comprehension processes of children with ADHD. This review is guided by a network model of story representation that emphasizes the structure of causal and enabling relations between story events. Examination of the available studies indicates that children with ADHD lag behind their peers in their understanding of causal relations, and that their attentional problems may contribute to difficulties in understanding factual information in the preschool years and causally related information in the elementary years. Some evidence also is presented suggesting that children with ADHD are less effective in taking advantage of story structure features in guiding their recall of story events. Suggestions for future research are offered that would elaborate our knowledge of the developmental progression in the processing of complex information by children with ADHD.     

Moral Responses and Moral Theory: Socially-based Externalist Ethics

The paper outlines a view called social (or two-level) response-dependency as an addition to standard alternatives in metaethics that allows for a position intermediate between standard versions of internalism and externalism on the question of motivational force. Instead of taking psychological responses as either directly supplying the content of ethics (as on emotivist or sentimentalist accounts) or as irrelevant to its content (as in classical versions of Kantian or utilitarian ethics), the view allows them an indirect role, as motivational props to moral teaching and thus to the general institution of moral discourse. However, they are not implied by any particular moral judgment (or speaker), so that amoralism comes out as possible. The response that defines the distinctively moral notion of wrong on this account is the second-level (social) response of forbidding some behavior; but this is ultimately to be understood in terms of (variable) individual reactions. Natural human emotion tendencies thereby constrain the content of ethics, while allowing for some degree of social variation in moral codes.     

弱智儿童在上课时和自由活动时的行为表现

研究了４１名弱智儿童。采用时间样本的方法收集材料,以期从动态角度了解弱智儿童在上课时和自由活动时的行为表现。按园别和智力落后程度两个方面对被试在上课时的８大类行为和自由活动时的７大类行为进行了分析。结果发现：班级人数、不同教学方法和智力落后程度与弱智儿童的行为表现有关。还对收集材料的方法、园别和智力落后程度与弱智儿童的行为表现的关系、高频率的自娱活动等,进行了讨论。最后,根据研究结果对教师提出了教学建议。