Religiosity and treatment response to antidepressant medication: a prospective multi-site clinical trial

The present study examined the relationship between religiosity/spirituality and treatment response to antidepressant medication (citalopram). One-hundred and forty-eight Caucasian and African-American adults with uncomplicated major depression were treated with citalopram (20–60?mg/day) over an eight-week period in a prospective multi-site clinical trial. Treatment response was assessed weekly with the Hamilton Rating Scale for Depression. Religiosity (i.e., religious behaviours) and spirituality (i.e., spiritual well-being) were assessed at week 3. No significant associations between spirituality and treatment response were found; however, there was a strong curvilinear relationship between religiosity and treatment response. Compared to lower or higher levels of religiosity, a moderate level of religiosity was significantly associated with a higher likelihood of remission and greater reduction in severity of depression. This association was independent of social support, ethnicity, gender, education, and baseline depression severity. A moderate amount of religiosity appears to be independently associated with an enhanced treatment response to citalopram.     

Do older individuals have difficulty processing motion or excluding noise? Implications for safe driving

This study aimed to determine if difficulties extracting signal from noise explained poorer coherent motion thresholds in older individuals, particularly women. In four experimental conditions the contrast of the signal and noise dots used in a random dot kinematogram was manipulated. Coherence thresholds were highest when the signal dots were of a lower contrast than the noise dots and lowest when the signal dots were of a higher contrast than the noise dots. In all conditions the older group had higher coherence thresholds than the younger group, and women had higher thresholds than men. Significant correlations were found between coherence thresholds and self-reported driving difficulties in conditions in which the signal dots had to be extracted from noise only. The results indicate that older individuals have difficulties extracting signal from noise in cluttered visual environments. The implications for safe driving are discussed.     

Variability and Determinism in Motor Behavior

In investigations into perception-action systems, variability of observable behavior may be considered to (a) interfere with inquiry, (b) be neither detrimental nor particularly useful to inquiry, or (c) play a crucial role in inquiry. The authors underscore recent suggestions that alternative (c) is a preferred strategy for the study of many motor behaviors. In tutorial fashion, the authors review the concepts of variability and determinism with respect to postural and rhythmic movements. Study of the variability of those behaviors has revealed crucial features suggestive of underlying mechanisms and control, such as particular blends of noise and determinism (piecewise determinism). It has also revealed general lessons (for example, more variable does not mean more random and more controllable does not mean more deterministic) that may extend to other classes of perceptual-motor behavior.     

The Relationships Among Sensory Processing Styles,Personality Traits,and Body Mass Index: A Pilot Study

The purpose of the authors in this study is to explore the possible relationships among sensory processing styles, possible sensory processing disorders, personality traits, and body mass index. There is research on the relationship between obesity as defined by body mass index and temperament, and sensory processing and temperament; however, no information could be found on the relationship between body mass index and sensory processing styles, or the role that temperament and personality styles may play in these relationships. The 50 female participants were recruited from the University of New England community. The sample included women between the ages of 19 and 59 years, and of various weights. None of the participants had a history of thyroid problems, diabetes, or any physical disabilities that would limit daily physical activity. None had been diagnosed with sensory processing disorder. All participants filled out two self-reports and a demographic questionnaire. The Adult/Adolescent Sensory Profile (Brown &; Dunn, 2002 Brown , C. E. , &; Dunn , W. ( 2002 ). Adult/Adolescent Sensory Profile . San Antonio , TX : The Psychological Corporation . [Google Scholar]) determines a person's sensory processing style and possible sensory processing disorder, and the Basic Personality Inventory (Jackson, 1996 Jackson , D. N. ( 1996 ). Basic Personality Inventory Manual , (2nd ed.) . Port Huron , MI : Sigma Assessment  [Google Scholar]) focuses on everyday behaviors to describe temperament and “adult behavioral syndromes” (p. 5). Through this study the authors show only tentative relationships between body mass index and sensory processing styles and personality traits. The data could be interpreted to support both discriminant and convergent validity between the Adult/Adolescent Sensory Profile and the Basic Personality Inventory. There were, however, significant correlations between aspects of sensory processing and aspects of personality that appeared to strengthen the idea that differences in sensory processing result in predictable types of behavior, indicating that sensory processing disorders are a separate diagnostic category.     

Inhibitory Control During Sentence Reading in Dyslexic Children

The present study focused on the nature of the reading disability of children with the guessing subtype of dyslexia (who read fast and inaccurately). The objective was to separate the excitatory account of their reading disturbance (i.e., in guessers the words’ resting levels of activation are oversensitive to semantic context) from the inhibitory account (i.e., guessers tend to react prematurely to (false) candidate words that are activated in the lexicon).

To disentangle the above accounts, guessers and normal readers were presented with a sentential priming task (SPT). In the SPT, subjects had to determine whether the final word of a sentence was semantically congruent or incongruent with the sentence, but had to inhibit their ‘congruent’ or ‘incongruent’ response in case of an occasionally presented pseudoword. To evoke guessing, each pseudoword closely resembled either a valid congruent or incongruent word. Guessing referred to prematurely accepting a pseudoword as a word that either appropriately or inappropriately completed the sentence. The extent to which subjects guessed at word meaning was evidenced by the false recognition rates (FRR) of the misspelled terminal words.

Analyses on the FRRs of the pseudowords showed that guessers had significantly more difficulty in suppressing the ‘go tendency’ triggered by the pseudowords. It was concluded that the impulsive reading style of guessers should be ascribed to a less efficient suppression mechanism rather than to excessive reliance on contextual information. Specifically, the data were explained by assuming that the availability of the pseudoword’s candidate meaning activated the hand to respond with, and that guessers found difficulty in suspending this response until they analyzed all letters in the stimulus and they could be sure of its spelling.     

The role of verbal and nonverbal memory in the Family Pictures Subtest: Data from children with specific language impairment

This study examined the contribution of verbal and visual memory to performance on the Family Pictures subtest of the Children’s Memory Scale. This subtest purports to assess declarative memory functioning in the visual/nonverbal domain. A total of 115 nine-year-old children participated in this study. Fifty-eight had specific language impairment (SLI), whilst the remaining 57 were typically developing (TD), with no history of language difficulties. Results showed that the children with SLI, who had intact declarative memory for visual but not verbal information, obtained significantly lower scores on the Family Pictures subtest when compared to the TD group. Regression analyses revealed that across the entire sample, individual differences on the Family Pictures subtest was best predicted by a measure of verbal working memory. These results question whether the Family Pictures subtest can be considered a measure of visual memory in pediatric populations. These results have implications for the interpretation of scores on this subtest regarding the nature of the types of neurocognitive difficulties children may exhibit.     

What does it mean to be an ally?: The perception of allies from the perspective of people of color

Allies are frequently studied from the viewpoint of dominant group members. Three studies took a different perspective by investigating how people of color perceive both White allies and allies of color. Study 1 used content analysis of qualitative data from 80 people of color to describe eight major themes of ally perception. With samples of 182 and 195 people of color, Studies 2 and 3 employed exploratory and confirmatory factor analysis to identify two subscales, informed action and affirmation, based on the themes. Both independent and paired samples t tests showed that people of color rating a White ally versus an ally of color perceived significantly less willingness to engage racial issues. Findings are discussed in relation to existing allies research.     

A MIMIC Model Approach to Research in Geriatric Neuropsychology: The Case of Vascular Dementia

The goal of the current study is to demonstrate a new methodology that can be used in neuropsychological research concerning differential diagnosis research. The multiple indicators, multiple causes (MIMIC) model is a latent variable methodology which can examine group differences on individual tests while controlling group differences in global cognitive impairment. As a demonstration, neuropsychological data from 217 dementia patients were incorporated into a MIMIC model to examine the influence of cerebrovascular disease (CVD) upon (1) dimensions of global cognitive impairment and (2) upon individual tests after controlling for global impairment. The presence of CVD in dementia (i.e., vascular dementia [VaD]) was not significantly related to dimensions of global impairment. In addition, the presence of CVD within dementia did not significantly contribute to impairment on 9 out of 10 neuropsychological tests/subscales examined after controlling global cognitive impairment. These results are discussed in the context of current vascular dementia research, and are focused primarily upon the MIMIC model methodology and suggestions for its use in future research.     

Concurrent and 2-Year Longitudinal Relations Between Executive Function and the Behavior of 1st and 2nd Grade Children

Concurrent and 2-year longitudinal relations were investigated between two indicators of children’s (n =60; mean age = years 11 months) executive function, inhibitory control and sequencing ability, and behavior problem symptomatology. Dependent measures were parent and teacher reported internalizing and externalizing behavior. Hierarchical multiple regression analyses demonstrated few significant concurrent associations between either inhibitory control or sequencing ability, and behavior problem symptoms. In contrast, baseline inhibitory control predicted decreased teacher reported externalizing, and parent reported externalizing and internalizing behavior problems over a 2-year period. Baseline sequencing ability also predicted decreased teacher reported externalizing and parent reported internalizing behavior over this same time period. Results suggest that some aspects of executive function in early elementary grade-school children may be more strongly associated with change in behavior over time than concurrent behavior. Implications of these findings for the prevention of behavior problems are discussed.