What's in a voice? Prosody as a test case for the Theory of Mind account of autism

The human voice conveys a variety of information about people's feelings, emotions and mental states. Some of this information relies on sophisticated Theory of Mind (ToM) skills, whilst others are simpler and do not require ToM. This variety provides an interesting test case for the ToM account of autism, which would predict greater impairment as ToM requirements increase. In this paper, we draw on psychological and pragmatic theories to classify vocal cues according to the amount of mindreading required to identify them. Children with a high functioning Autism Spectrum Disorder and matched controls were tested in three experiments where the speakers' state had to be extracted from their vocalizations. Although our results confirm that people with autism have subtle difficulties dealing with vocal cues, they show a pattern of performance that is inconsistent with the view that atypical recognition of vocal cues is caused by impaired ToM

Automatic orienting towards face-like stimuli in early childhood

Newborn infants orient preferentially toward face-like or “protoface” stimuli and recent studies suggest similar reflexive orienting responses in adults. Little is known, however, about the operation of this mechanism in childhood. An attentional-cueing procedure was therefore developed to investigate protoface orienting in early childhood. Consistent with the extant literature, 5- to 6-year-old children (n = 25) exhibited orienting toward face-like stimuli; they responded faster when target location was cued by the appearance of a protoface stimulus than when location was cued by matched control patterns. The potential of this procedure to investigate the development of typical and atypical social perception is discussed

Cognitive behaviour therapy for social anxiety in autism spectrum disorder: A systematic review.

Purpose Individuals who have autism spectrum disorders (ASD) commonly experience anxiety about social interaction and social situations. Cognitive behaviour therapy (CBT) is a recommended treatment for social anxiety (SA) in the non-ASD population. Therapy typically comprises cognitive interventions, imagery-based work and for some individuals, behavioural interventions. Whether these are useful for the ASD population is unclear. Therefore, the purpose of this paper is to undertake a systematic review to summarise research about CBT for SA in ASD. Design/methodology/approach Using a priori criteria, the authors searched for English-language peer-reviewed empirical studies in five databases. The search yielded 1,364 results. Titles, abstracts, and relevant publications were independently screened by two reviewers. Findings Four single case studies met the review inclusion criteria; data were synthesised narratively. Participants (three adults and one child) were diagnosed with ASD and SA. There were commonalities in interventions and techniques used: participants were encouraged to identify and challenge negative thoughts, enter anxiety-provoking social situations, and develop new ways of coping. Unlike CBT for SA in non-ASD individuals, treatment also included social skills interventions. Outcomes were assessed using self- or informant-reports. Improvements in SA, depressive symptoms, social skills, and activity levels were noted. Generalisability of results is hampered, however, by the small number of studies and participants and lack of randomised controlled trial conditions employed. Research limitations/implications Future studies should investigate how beliefs and behaviours indicative of SA can be ameliorated in individuals with ASD. Originality/value This is the first review to synthesise empirical data about CBT for SA in ASD

Children with Autism do not Show Sequence Effects with Auditory Stimuli

Categorization decisions that reflect constantly changing memory representations may be an important adaptive response to dynamic environments. We assessed one such influence from memory, sequence effects, on categorization decisions made by individuals with autism. A model of categorization (i.e. Memory and Contrast model, Stewart, Brown, & Chater, 2002) assumes that contextual influences in the form of sequence effects drive categorization performance in individuals with typical development. Difficulties with contextual processing in autism, described by the weak central coherence account (Frith, 1989; Frith & Happé, 1994) imply reduced sequence effects for this participant group. The experiment reported here tested this implication. High functioning children and adolescents with autism (aged 10 to 15 years), matched on age and IQ with typically developing children, completed a test that measures sequence effects (i.e. category contrast effect task, Stewart et al., 2002) using auditory tones. Participants also completed a pitch discrimination task to measure any potential confound arising from possible enhanced discrimination sensitivity within the ASD group. The typically developing group alone demonstrated a category contrast effect. The data suggest that this finding cannot be attributed readily to participant group differences in discrimination sensitivity, perseveration, difficulties on the associated binary categorization task, or greater reliance upon long term memory. We discuss the broad methodological implication that comparison between autism and control group responses to sequential perceptual stimuli may be confounded by the influence of preceding trials. We also discuss implications for the weak central coherence account and models of typical cognition

Mary has more: Sex differences, autism, coherence, and theory of mind

We challenge the notion that differences in spatial ability are the best or only explanation for observed sex differences in mathematical word problems. We suggest two ideas from the study of autism: sex differences in theory of mind and in central coherence

Recognizing and integrating wildlife as Elwha restoration agents

Ecosystem restoration involving large dam removal spans large spatial extents, long time scales, and diverse societal constituencies. Restoration success requires collaboration among partner organizations. Success also can be facilitated by integrating components and processes of the ecosystem itself in restoration planning and practice. We review early and future roles of wildlife in restoration of valleys flooded by Elwha dams, with implications for dam removals on other rivers. Detecting early wildlife responses depended on baseline inventories prior to dam removal, followed by monitoring during and after dam removal. Pre-removal studies revealed patterns of small and mid-sized mammal occupancy, bear movement, amphibian occupancy, and avian distributions and species composition. In the few years since dam removal, wildlife colonization of exposed reservoir beds has been rapid, dominated by early successional and mobile species. Wildlife also perform important restoration functions, and contribute to all nine attributes defining restored ecosystems. This early in Elwha restoration, conspicuous wildlife functions include native seed dispersal to restoration sites, herbivore effects on revegetation, and organic matter dispersal to nutrient-poor sediments. In future decades, diverse wildlife also will help restore terrestrial-aquatic connections by dispersing nutrients from increasing salmon runs to riparian and terrestrial areas. Each of these wildlife roles is influenced by spatial distributions of pre-dam structural legacies and structures placed during active restoration efforts, particularly large woody debris. By placing these structures in locations and configurations that support wildlife functions, restoration planning and practice more effectively integrate wildlife in restoration. Benefits include increasing the rate of restoration progress and directing it along more desirable trajectories. In this way, the collaborative interdisciplinary approach in Elwha restoration can be expanded in future restoration projects to encompass active collaboration with the ecosystem itself

Modular DSLs for flexible analysis: An e-Motions reimplementation of Palladio

We address some of the limitations for extending and validating MDE-based implementations of NFP analysis tools by presenting a modular, model-based partial reimplementation of one well-known analysis framework, namely the Palladio Architecture Simulator. We specify the key DSLs from Palladio in the e-Motions system, describing the basic simulation semantics as a set of graph transformation rules. Di erent properties to be analysed are then encoded as separate, parametrised DSLs, independent of the de nition of Palladio. These can then be composed with the base Palladio DSL to generate speci c simulation environments. Models created in the Palladio IDE can be fed directly into this simulation environment for analysis. We demonstrate two main benefits of our approach: 1) The semantics of the simulation and the nonfunctional properties to be analysed are made explicit in the respective DSL speci cations, and 2) because of the compositional de nition, we can add de nitions of new non-functional properties and their analyses.Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech

Enterprise IoT Security and Scalability : How Unikernels can Improve the Status Quo

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