Reversal of motor learning in the vestibulo-ocular reflex in the absence of visual input

Motor learning in the vestibulo-ocular reflex (VOR) and eyeblink conditioning use similar neural circuitry, and they may use similar cellular plasticity mechanisms. Classically conditioned eyeblink responses undergo extinction after prolonged exposure to the conditioned stimulus in the absence of the unconditioned stimulus. We investigated the possibility that a process similar to extinction may reverse learned changes in the VOR. We induced a learned alteration of the VOR response in rhesus monkeys using magnifying or miniaturizing goggles, which caused head movements to be accompanied by visual image motion. After learning, head movements in the absence of visual stimulation caused a loss of the learned eye movement response. When the learned gain was low, this reversal of learning occurred only when head movements were delivered, and not when the head was held stationary in the absence of visual input, suggesting that this reversal is mediated by an active, extinction-like process.     

Associations between symptoms of maternal postpartum depression,gestational age and infant social withdrawal: A longitudinal study in a community cohort

Infant social withdrawal is a risk factor for non-optimal child development; thus, it is important to identify risk factors associated with withdrawal. In a large community sample (N = 19,017), we investigate whether symptoms of maternal and partner postpartum depression (PPD; measured with the Edinburgh Postnatal Depression Scale) and prematurity are predictors of infant social withdrawal (measured with the Alarm Distress Baby Scale). Withdrawal was assessed at 2–3, 4–7 and 8–12 months postpartum. Linear regressions showed that prematurity predicted higher infant social withdrawal at all time points, and maternal symptoms of PPD were positively associated with withdrawal at 2–3 months. Logistic regressions showed that odds for elevated social withdrawal were increased with elevated levels of maternal symptoms of PPD at 2–3 and 8–12 months. Partner's symptoms of PPD were not associated with withdrawal. Future studies should investigate how PPD symptoms and prematurity may impact the individual development of social withdrawal.     

How does frustration make you feel? A motivational analysis in exercise context

Not all exercisers experience the same psychological benefits. The understanding of motivational processes and their relation with emotional consequences of exercise should be considered in the context of the exercisers motivation. This was a cross-sectional study of 153 gym users (M?=?36.21 years, SD?=?8.44; 44.9% men, 55.1% women; M years exercise?=?8). Weekly attendance averaged 4.3 (SD?=?2.6) sessions per week; reported exertion intensity was 5.6 (SD?=?2.1) (scale: 0–11). The basic psychological needs (BPNs) posited by self-determination theory, motivational regulation, and emotional response to physical activity, were measured. Possible mediators of BPN-emotion relationships were analyzed. BPN satisfaction was associated with a positive emotional response to exercise which was partially mediated by the effect of autonomous regulation on positive activation and psychological well-being. Mediation models indicated that the negative effects of BPN frustration were counteracted by autonomous regulation. Exercise professionals should be able to create psychologically supportive contexts and identify behaviors associated with need frustration so as to enhance emotional responses to exercise.     

Seeing it differently: visual processing in autism

Several recent behavioral and neuroimaging studies have documented an impairment in face processing in individuals with Autism Spectrum Disorder (ASD). It remains unknown, however, what underlying mechanism gives rise to this face processing difficulty. One theory suggests that the difficulty derives from a pervasive problem in social interaction and/or motivation. An alternative view proposes that the face-processing problem is not entirely social in nature and that a visual perceptual impairment might also contribute. The focus of this review is on this latter, perceptual perspective, documenting the psychological and neural alterations that might account for the face processing impairment. The available evidence suggests that perceptual alterations are present in ASD, independent of social function.     

Minority students of color and the psychology graduate pipeline: disquieting and encouraging trends, 1989-2003

Trends since 1989 in the minority graduate pipeline in psychology are examined, with special focus on trends in recent years. Encouraging trends generally outweigh troubling ones at lower levels of the pipeline. However, in recent years disquieting trends dominate at the higher pipeline levels. Promising trends include a rise in the percentage (to nearly 25%) of minority psychology students receiving the bachelor's degree and a rise to more than 20% receiving the master's degree. Troubling trends include the stalling of growth in minority PhD degree receipt since 1999 and the lack of growth in the percentage of African American and Hispanic/Latino(a) students entering PhD departments. Given the mixed findings, one of the highest priorities for psychology must be continued and persistent efforts to develop practices and policies that enhance recruitment, high levels of achievement, and degree receipt for students of color.     

A Review of “Emotionally Focused Couple Therapy with Trauma Survivors: Strengthening Attachment Bonds”

Abstract

Psychiatry in General Medical Practice, edited by Gene Usdin, M.D. and Jerry M. Lewis, M.D. New York: McGraw-Hill, 1979, 771 pages, $19.95.

Private Practice: A Handbook for the Independent Mental Health Practitioner, by Robert M. Pressman. New York: Gardner Press, 1979, 256 pages, $18.95.

Marital Therapy: Strategies Based upon Social Learning and Behavior Exchange Principles, by Neil S. Jacobson and Gayla Margolin. New York: Brunner/Mazel, 1979, 415 pages, $17.50.     

Predictors of Differential Responding on a Sentence Completion Task in Traumatized Children

Information-processing theories posit that persons who have experienced trauma may have disturbed emotional processing and therefore exhibit an excess of negative responses to otherwise neutral cues. The role of this mechanism in traumatized children has yet to be fully investigated. This study examined the relationship of varied clinical characteristics and theoretically relevant moderating variables to increased trauma related responding on a non-idiographic sentence completion task. One hundred and eighty-nine children (ages 6–17) residing at a residential home between 1996 and 2011 who had experienced physical, emotional and/or sexual abuse were administered a sentence completion task and the Trauma Symptom Checklist for Children (TSCC) shortly after their admission. Three independent raters determined whether sentence completion responses were trauma related (TRR), non-trauma related, or ambiguous. Trauma related responses were then reviewed for either avoidant/denial style responding or loss related responding. The TSCC posttraumatic stress subscale (PTS) was the only subscale that was uniquely related to TRR. A significant interaction between abuse type and PTS was found with sexual abuse moderating the effect of PTS on TRR. Additionally, age at assessment was positively correlated with both TRR and loss related responding. Time since removal from home was negatively correlated with TRR. Gender differences were found for TRR and loss related responding. These findings highlight the empirical relevance of the sentence completion task in clinical research. Results are discussed in terms of their implications for research, assessment, and intervention.