Sex differences in ADHD trajectories across childhood and adolescence

Previous studies have hinted at sex differences in developmental trajectories in ADHD symptoms; however, little is known about the nature or cause of these differences and their implications for clinical practice. We used growth mixture modelling in a community‐ascertained cohort of n = 1,571 participants to study sex differences in ADHD symptom developmental trajectories across the elementary and secondary school years. Participants were measured at ages 7, 8, 9, 10, 11, 12, 13, and 15. We found that females were more likely to show large symptom increases in early adolescence while males were more likely to show elevated symptoms from childhood. For both males and females, early adolescence represented a period of vulnerability characterized by relatively sudden symptom increases. Females affected by hyperactivity/impulsivity may be more likely to be excluded from diagnosis due to current age of onset criteria. More attention should be paid to early adolescence as a period of risk for hyperactivity/impulsivity symptom onset or worsening.     

Measurement of Preoperative Anxiety in Young Children: Self-report Versus Observer-rated

The utility of the self-report Children’s Anxiety and Pain Scale Anxiety subscale (CAPS-A) in comparison to the widely used, observer-rated Modified Yale Preoperative Anxiety Scale (mYPAS) in assessing anxiety in children undergoing day surgery procedures was examined. The CAPS-A test-retest reliability, concurrent validity with the Modified Yale Preoperative Anxiety Scale (mYPAS), and sensitivity to expected increases in anxiety at stressful times during the preoperative period were examined. Levels of observer-rated (mYPAS) and self-reported anxiety (CAPS-A) were obtained from 61 children (3 to 6 years) undergoing day surgery procedures. The CAPS-A demonstrated adequate test-retest reliability. Concurrent validity between the CAPS-A and mYPAS scores was poor. The CAPS-A failed to show sensitivity to the expected increases in anxiety at stressful time-points. Thus, an alternative scoring strategy for the CAPS-A was proposed (i.e., child’s refusal to point was scored as high anxiety). Post-hoc analyses demonstrated good concurrent and adequate convergent validity with the alternative scoring strategy.     

VARIETIES OF RELIGIOUS COGNITION: A COMPUTATIONAL APPROACH TO SELF-UNDERSTANDING IN THREE MONOTHEIST CONTEXTS

This study considered representations of divine and human others in the self-understanding of monotheists from three religions. Self-understanding was conceptualized on the basis of semantic and episodic knowledge in narrative response data. Given the importance of social context in the formation of cognitive schemas, the project emphasized self-understanding in a comparative religious design. The sample included sixty nominated religious exemplars who responded to a structured interview. Schemas were subsequently mapped for Jews, Muslims, and Christians by comparison of self and other representations in a computational model known as latent semantic analysis (LSA). Findings indicated that representation of the divine is far removed from parents in cognitive schemas for all participants. Unlike Jews and Christians, Muslims appear to represent human others on the basis of self-understanding which principally references the divine. When considered in a computational semantic space, exemplars generally represent the self in a manner corresponding with divine and peer figures.     

Cognitive responses to failure and success relate uniquely to bipolar depression versus mania

This project examined cognitive responses to failure and success and their association with depression and mania within bipolar disorder. Many cognitive variables that are associated with unipolar depression have been found to be involved in bipolar disorder, more specifically bipolar depression. This research was the first to examine tendencies to hold high standards, engage in self-criticism, and generalize from failure to an overall sense of self-worth. In Study 1, undergraduates were screened for risk of mood disorders and completed structured diagnostic interviews. History of bipolar spectrum disorders and history of depression had separate associations with negative generalization. The association of generalization with bipolar spectrum disorders was accounted for by current depressive symptoms. For Study 2, the authors developed a measure of the tendency to engage in positive generalization following success experiences. In a sample of 276 undergraduates, this measure related uniquely to risk for mania. Results of these 2 studies suggest that responses to failure are associated with a history of depression, whereas responses to success are associated with a risk for mania. Implications for future research and clinical work are discussed.     

Limits on phonetic integration in duplex perception

The telling fact about duplex perception is that listeners integrate into a unitary phonetic percept signals that are coherent from a phonetic point of view, even though the signals are, on purely auditory grounds, separate sources. Here we explore the limits on the integration of a sinusoidal consonant cue (theF3 transition for [da] vs. [ga]) with the resonances of the remainder of the syllable. Perceiving duplexly, listeners hear the whistle of the sinusoid, but also the [da] and [ga] for which the sinusoid provides the critical information. In the first experiment, phonetic integration was significantly reduced, but not to zero, by a precursor that extended the transition cue forward in time so that it started 50 msec before the cue. The effect was the same above and below the duplexity threshold (the intensity of sinusoid in the combined pattern at which the whistle was just barely audible). In the second experiment, integration was reduced once again by the precursor, and also, but only below the duplexity threshold, by harmonics of the cues that were simultaneous with it. The third experiment showed that the simultaneous harmonics reduced phonetic integration only by serving as distractors while also permitting the conclusion that the precursor produced its effects by making the cue part of a coherent and competing auditory pattern, and so “capturing” it. The fourth experiment supported this interpretation by showing that for some subjects the amount of capture was reduced when the capturing tone was itself captured by being made part of a tonal complex. The results support the assumption that the independent phonetic system will integrate across disparate sources according to the cohesive power of that system as measured against the evidence for separate sources.     

The relaxation word of the day: A simple technique to measure adherence to relaxation

A new procedure of assessing adherence to home practice of relaxation is presented. The technique involved the subject identifying one of four possible relaxation words of the day at the end of a taped relaxation session. The method was employed to assess the relationship between adherence to relaxation and decline of blood pressure during a 10-session/8-week relaxation program involving 17 hypertensive subjects. No statistically significant relationship was found on either a short-term or a long-term basis. An advantage of the assessment technique is that it appears easily integrated into the overall therapeutic objective for relaxation therapy; a disadvantage is that the subject needs to comply not only with the relaxation schedule but also with the monitoring procedure.This research study was funded by NIH Grant HL27159.     

Some differences between phonetic and auditory modes of perception

When third-formant transitions are appropriately incorporated into an acoustic syllable, they provide critical support for the phonetic percepts we call [d] and [g], but when presented in isolation they are perceived as time-varying ‘chirps’. In the present experiment, both modes of perception were made available simultaneously by presenting the third-format transitions to one ear and the remainder of the acoustic syllable to the other. On the speech side of this duplex percept, where the transitions supported the perception of stop-vowel syllables, perception was categorical and influenced by the presence of a preposed [al] or [ar]. On the nonspeech side, where the same transitions were heard as ‘chirps’, perception was continuous and free of influence from the preposed syllables. As both differences occurred under conditions in which the acoustic input was constant, we should suppose that they reflect the different properties of auditory and phonetic modes of perception.     

Binocular fusion and contour suppression

Data from three separate investigations are presented to support the conclusion that suppression of visual contours occurs during binocular fusion of identical figures. These data are discussed in relation to examples of confirming and disconfirming results of other investigators.     

Good moments in Rational-Emotive Therapy: Some unique features of this approach

Two independent teams of judges used a general category system of good moments and an RET category system of good moments, respectively, in assessing all client statements in two audiotaped sessions conducted by Dr. Albert Ellis. A comparison of the findings from using the two category systems identified four unique features of RET. The features involved (a) unique RET good moments given by the RET literature; (b) additional general categories of good moments that are also obtained by RET; (c) unique RET methods of obtaining insight-understanding; and (d) unique RET methods of promoting behavior change.Wayne P. Nadler, Irit Sterner, and Eran A. Talitman are members of the psychotherapy research team, School of Psychology, University of Ottawa. Patricia A. Gervaize, Ph.D., is clinical research psychologist, Ottawa Civic Hospital and School of Medicine, University of Ottawa, as well as a member of the psychotherapy research team, University of Ottawa.