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Children with intellectual and developmental disabilities (IDD) experience significant difficulties in attention, learning, executive functions, and behavioral regulation. Emerging evidence suggests that computerized cognitive training may remediate these impairments. In a double blind controlled trial, 76 children with IDD (4–11 years) were randomized to either an attention training (n = 38) or control program (n = 38). Both programs were completed at home over a 5-week period. Outcome measures assessed literacy, numeracy, executive functioning, and behavioral/emotional problems, and were conducted at baseline, post-training, and 3-month follow-up. No training effects were observed at post-training; however, children in the training group showed greater improvements in numeracy skills at the 3-month follow-up. These results suggest that attention training may be beneficial for children with IDD; however, the modest nature of the intervention effects indicate that caution should be taken when interpreting clinical significance.

Background Smartphone technology presents a novel and promising opportunity to extend the reach of psychotherapeutic interventions by moving selected parts of the therapy into the real-life situations causing distress. This randomised controlled trial will investigate the effects of a transdiagnostic, Internet-administered cognitive behavioural (iCBT) self-help program for anxiety, supplemented with a smartphone application. The effect of added therapist support will also be studied. Methods/Design One hundred and fifty participants meeting diagnostic criteria for social anxiety disorder and/or panic disorder will be evenly randomised to either one of three study groups: 1, smartphone-supplemented iCBT with therapist support; 2, smartphone-supplemented iCBT without therapist support; or 3, an active waiting list control group with delayed treatment. Primary outcome measure will be the Generalised Anxiety Disorder 7-item self-rating scale. Secondary measures include other anxiety, depression and quality of life measures. In addition to pre- and post-treatment measurements, the study includes two mid-treatment (days 24 and 48) and two follow-up assessments (12 and 36 months) to assess rapid and long-term effects. Discussion To our knowledge, this is the first study to investigate the effectiveness of smartphone-supplemented iCBT for anxiety disorders. Hence, the findings from this trial will constitute great advancements in the burgeoning and promising field of smartphone-administered psychological interventions. Limitations are discussed. Trial registration Clinicaltrials.gov: NCT01963806

Key Points Social cognitive deficits are prominent in many conditions and are critical predictors of functional outcomes because they affect the ability to form and sustain interpersonal relationships Assessments of social cognitive impairments typically focus on theory of mind, affective empathy, social perception and social behaviour, four domains that all influence the management of a patient Many social cognitive assessment measures that are appropriate for clinical use are now available and should form part of a broader neurocognitive battery Common disorders that manifest with prominent social cognitive deficits include schizophrenia, autism spectrum disorders, Alzheimer disease, and behavioural-variant frontotemporal dementia A range of effective treatment strategies are currently available, so the nature, magnitude and specificity of social cognitive impairments each have important implications for therapeutic decision-making Many neurological disorders, from traumatic brain injury to Alzheimer disease, affect social cognition, yet deficits in social cognition can be difficult to detect and diagnose effectively. In this Review, Henry and colleagues provide an overview of the clinical contexts in which social cognitive dysfunction arises and consider how tests can be used to detect it. Through examples of four conditions in which social cognitive dysfunction arises, they demonstrate the appropriate tests to use, and consider their clinical application beyond these disorders. Social cognition broadly refers to the processing of social information in the brain that underlies abilities such as the detection of others' emotions and responding appropriately to these emotions. Social cognitive skills are critical for successful communication and, consequently, mental health and wellbeing. Disturbances of social cognition are early and salient features of many neuropsychiatric, neurodevelopmental and neurodegenerative disorders, and often occur after acute brain injury. Its assessment in the clinic is, therefore, of paramount importance. Indeed, the most recent edition of the American Psychiatric Association's Diagnostic and Statistical Manual for Mental Disorders (DSM-5) introduced social cognition as one of six core components of neurocognitive function, alongside memory and executive control. Failures of social cognition most often present as poor theory of mind, reduced affective empathy, impaired social perception or abnormal social behaviour. Standard neuropsychological assessments lack the precision and sensitivity needed to adequately inform treatment of these failures. In this Review, we present appropriate methods of assessment for each of the four domains, using an example disorder to illustrate the value of these approaches. We discuss the clinical applications of testing for social cognitive function, and finally suggest a five-step algorithm for the evaluation and treatment of impairments, providing quantitative evidence to guide the selection of social cognitive measures in clinical practice.

This meta-analytic review examines the association between attachment and internalizing symptomatology during childhood, and compares the strength of this association with that for externalizing symptomatology. Based on 42 independent samples (N = 4,614), the association between insecurity and internalizing symptoms was small, yet significant (d = 0.15, CI 0.06~0.25) and not moderated by assessment age of internalizing problems. Avoidance, but not resistance (d = 0.03, CI - 0.11~0.17) or disorganization (d = 0.08, CI - 0.06~0.22), was significantly associated with internalizing symptoms (d = 0.17, CI 0.03~0.31). Insecurity and disorganization were more strongly associated with externalizing than internalizing symptoms. Discussion focuses on the significance of attachment for the development of internalizing versus externalizing symptomatology.

Sex differences have been found amongst toddlers and young children with autism spectrum disorder (ASD). We investigated the presence and stability of these ASD sex differences throughout childhood and adolescence. Participants ( N  = 325, 52 females; aged 3–18 years) consecutively received an ASD diagnosis at a clinic for assessing high-functioning ASD (mean verbal IQ = 92.6). There were no IQ sex differences. By parent report and direct observation, females had less repetitive stereotyped behaviour (RSB), with male-equivalent levels of social and communication impairment. Teachers reported males with ASD as having greater externalising and social problems than females. The female phenotype we describe was stable across our sample’s age range. Their milder RSBs and less severe difficulties at school may lead to under-recognition of ASD in females.

Objective: This subanalysis of a large, double-blind, placebo-controlled trial examined the prevalence of behavioral symptoms in moderate to severe Alzheimer's disease (AD), and the effect of treatment with donepezil. Methods: Two hundred ninety patients with moderate to severe AD (standardized Mini-Mental State Examination scores 5–17) were randomized to receive 24 weeks of once-daily doses of donepezil 5 mg/day for 28 days, and 10 mg/day thereafter per the clinician's judgment (n = 144), or placebo (n = 146). The outcome measure of interest was the 12-item Neuropsychiaric Inventory (NPI). Results: Baseline demographics were similar between the treatment groups. Least squares mean (± SE) baseline NPI 12-item total scores were 19.55 ± 1.48 and 19.30 ± 1.45, respectively. At baseline, the most common symptoms were apathy/indifference (67%), aberrant motor behavior (53%), depression/dysphoria (52%), anxiety (49%), and agitation/aggression (45%). NPI individual item change from baseline scores at Week 24 using a last observation carried forward (LOCF) analysis showed benefits with donepezil treatment compared with placebo for all items, with significant treatment differences for depression/dysphoria, anxiety, and apathy/indifference (p < .05). Symptoms present at baseline that improved significantly for donepezil- compared with placebo-treated patients at Week 24 LOCF included anxiety, apathy/indifference, and irritability/lability (p < .05). When patients who were not receiving psychoactive medications at baseline were analyzed separately, significant improvements in NPI 12-item total score were observed with donepezil compared with placebo at most visits and at Week 24 LOCF (p < .05). Conclusions: Behavioral symptoms of the magnitude observed in this moderate to severe AD population improved with donepezil.

Background:Although early diagnosis and treatment in phenylketonuria (PKU) leads to excellent outcomes, a population of adults born before the introduction of newborn screening exists. They can have severe intellectual disabilities and behavioural problems, and are often dependent on full-time carers. Anecdotal evidence suggests that a diet that lowers blood phenylalanine concentration can have significant benefits upon behaviour.Methods:A prospective double-blind randomised placebo-controlled crossover trial of phenylalanine-restricted diet was performed in a group of 34 adults (aged 21–61 years, median 49) with late diagnosed PKU with severe challenging behaviour.Results:Only 17 completed the 60 week study: seven withdrew before the end of the baseline period; five withdrew during the first diet period; five withdrew during the second diet period (after moving into placebo phase). The mean (SD) blood phenylalanine was 1570 (222) μmol/l during baseline, 553(158) μmol/l during the active phase and 1444 (255) μmol/l during the placebo phase. In the 22 participants exposed to both active and placebo phases, no differences were demonstrated in behaviour assessed by the Aberrant Behavior Checklist and Vineland Adaptive Behavior Scales, behaviour diaries or on video analysis of direct observations. However, 76% of carers’ comments were scored as positive during the active phase, compared with 54% during the placebo phase (χ2 = 38.06, p<0.001).Conclusions:There are significant challenges in studying people with intellectual disabilities and considerable difficulties in instituting phenylalanine-restricted diet in this population. However, if attempted, there are potential benefits to quality of life for the individuals with PKU and their carers.

Standardized Autism Diagnostic Observation Schedule (ADOS) scores provide a measure of autism severity that is less influenced by child characteristics than raw totals (Gotham et al. in Journal of Autism and Developmental Disorders, 39(5), 693–705 2009 ). However, these scores combine symptoms from the Social Affect (SA) and Restricted and Repetitive Behaviors (RRB) domains. Separate calibrations of each domain would provide a clearer picture of ASD dimensions. The current study separately calibrated raw totals from the ADOS SA and RRB domains. Standardized domain scores were less influenced by child characteristics than raw domain totals, thereby increasing their utility as indicators of Social-Communication and Repetitive Behavior severity. Calibrated domain scores should facilitate efforts to examine trajectories of ASD symptoms and links between neurobiological and behavioral dimensions.

To investigate trajectories of behavior, attention, social and emotional problems to early adulthood in extremely preterm survivors compared to a term-born comparison group. Longitudinal analysis of a prospective, population-based cohort of 315 surviving infants born < 26 completed weeks of gestation recruited at birth in 1995, from the UK/Republic of Ireland, and a term-born comparison group recruited at age 6. The parent-report Strengths and Difficulties Questionnaire was completed at age 6, 11, 16 and 19 years. The Total Behavioral Difficulties Score was 4.81 points higher in extremely preterm individuals compared to their term-born peers over the period (95% CI 3.76–5.87, p < 0.001) and trajectories were stable in both groups. The impact of difficulties on home life, friendships, school or work and/or leisure activities was greater in the EPT group (RR 4.28, 95% CI 2.89–6.35, p < 0.001), and hyperactivity/inattention and peer problems accounted for the largest differences. A clinically significant behavioral screen at age 2.5 was associated with a higher Total Behavioral Difficulties Score from 6 years onwards in extremely preterm participants (Mean difference 6.90, 95% CI 5.01–8.70, p < 0.0.01), as was moderate/severe cognitive impairment at last assessment (Mean difference: 4.27, 95% CI 2.76–5.77, p < 0.001). Attention, social and emotional problems in extremely preterm individuals persist into early adulthood with significant impact on daily life. A positive behavioral screen in infancy and moderate/severe cognitive impairment are associated with early adult outcomes.

Frontotemporal dementia (FTD) represents an important cause for degenerative disruption and is increasingly recognized as an important cause (up to 25%) of degenerative dementia among late-middle-age individuals. The serotoninergic system is tightly bound to frontal circuits, whose degeneration subserves FTD. Patients aged 64-68 years, with a diagnosis of FTD, were randomized to receive paroxetine up to 20 mg/day (n = 8) or piracetam up to 1,200 mg/day (n = 8). At 14 months, the patients treated with paroxetine showed significant improvements in behavioral symptoms, reflected by a reduction of caregiver stress. Side effects were easily tolerable, and there was no dropout. The results are presented with an overview of the literature on the topic.