It's not what you play, it's how you play it: timbre affects perception of emotion in music.

Salient sensory experiences often have a strong emotional tone, but the neuropsychological relations between perceptual characteristics of sensory objects and the affective information they convey remain poorly defined. Here we addressed the relationship between sound identity and emotional information using music. In two experiments, we investigated whether perception of emotions is influenced by altering the musical instrument on which the music is played, independently of other musical features. In the first experiment, 40 novel melodies each representing one of four emotions (happiness, sadness, fear, or anger) were each recorded on four different instruments (an electronic synthesizer, a piano, a violin, and a trumpet), controlling for melody, tempo, and loudness between instruments. Healthy participants (23 young adults aged 18-30 years, 24 older adults aged 58-75 years) were asked to select which emotion they thought each musical stimulus represented in a four-alternative forced-choice task. Using a generalized linear mixed model we found a significant interaction between instrument and emotion judgement with a similar pattern in young and older adults (p < .0001 for each age group). The effect was not attributable to musical expertise. In the second experiment using the same melodies and experimental design, the interaction between timbre and perceived emotion was replicated (p < .05) in another group of young adults for novel synthetic timbres designed to incorporate timbral cues to particular emotions. Our findings show that timbre (instrument identity) independently affects the perception of emotions in music after controlling for other acoustic, cognitive, and performance factors

Development of a research-based classification of approaches to paediatric palliative medicine service provision within children's and young adults' hospices: A mixed methods study.

BACKGROUND: Globally, pioneers in children's palliative care influenced this speciality's development through individual initiatives leading to diverse models of care. Children's and young adults' hospices have now been established around the world. However, service provision varies widely leading to inequities both within countries and internationally. AIM: To describe and classify existing approaches to paediatric palliative medicine in children's and young adults' hospices across the UK. DESIGN: A mixed methods study conducted by telephone interview. SETTING/PARTICIPANTS: Thirty-one leaders of children's hospice care, representing 28 services, 66% of UK children's and young adults' hospice organisations. RESULTS: A geographic-specialist classification was developed through integration of findings, enabling hospices to be classified as Regional specialist, Regional non-specialist, Local specialist and Local non-specialist. Both qualitative and quantitative data demonstrated diversity and inequity in paediatric palliative medicine provision. Of 159 doctors (63.5% of whom were general practitioners) working in participating hospices only 27.5% had specialist training in paediatric palliative medicine. The majority of participating hospices (67.9%) did not have involvement from a paediatric palliative medicine consultant. CONCLUSIONS: Internationally, the integration of specialist children's palliative care teams with existing services is a current challenge. Despite differing approaches to children's palliative care world-wide, models of care which facilitate integration of specialist children's palliative care could benefit a range of countries and contexts. The geographic-specialist classification could be used to inform recommendations for a networked approach to paediatric palliative medicine within children's and young adults' hospices to promote equity for children with life-limiting and life-threatening conditions

Inconsistent emotion recognition deficits across stimulus modalities in Huntington's disease

This study has been supported by the European Union - PADDINGTON project, Contract no. HEALTH-F2-2010-261358. SJT acknowledges support of the National Institute for Health Research through the Dementias and Neurodegenerative Research Network, DeNDRoN.Background: Recognition of negative emotions is impaired in Huntington's Disease (HD). It is unclear whether these emotion-specific problems are driven by dissociable cognitive deficits, emotion complexity, test cue difficulty, or visuoperceptual impairments. This study set out to further characterise emotion recognition in HD by comparing patterns of deficits across stimulus modalities; notably including for the first time in HD, the more ecologically and clinically relevant modality of film clips portraying dynamic facial expressions. Methods: Fifteen early HD and 17 control participants were tested on emotion recognition from static facial photographs, non-verbal vocal expressions and one second dynamic film clips, all depicting different emotions. Results: Statistically significant evidence of impairment of anger, disgust and fear recognition was seen in HD participants compared with healthy controls across multiple stimulus modalities. The extent of the impairment, as measured by the difference in the number of errors made between HD participants and controls, differed according to the combination of emotion and modality (p=0.013, interaction test). The largest between-group difference was seen in the recognition of anger from film clips. Conclusions: Consistent with previous reports, anger, disgust and fear were the most poorly recognised emotions by the HD group. This impairment did not appear to be due to task demands or expression complexity as the pattern of between-group differences did not correspond to the pattern of errors made by either group; implicating emotion-specific cognitive processing pathology. There was however evidence that the extent of emotion recognition deficits significantly differed between stimulus modalities. The implications in terms of designing future tests of emotion recognition and care giving are discussed.PostprintPeer reviewe

Combined point of care nucleic acid and antibody testing for SARS-CoV-2 following emergence of D614G Spike Variant

Rapid COVID-19 diagnosis in hospital is essential, though complicated by 30-50% of nose/throat swabs being negative by SARS-CoV-2 nucleic acid amplification testing (NAAT). Furthermore, the D614G spike mutant now dominates the pandemic and it is unclear how serological tests designed to detect anti-Spike antibodies perform against this variant. We assess the diagnostic accuracy of combined rapid antibody point of care (POC) and nucleic acid assays for suspected COVID-19 disease due to either wild type or the D614G spike mutant SARS-CoV-2. The overall detection rate for COVID-19 is 79.2% (95CI 57.8-92.9%) by rapid NAAT alone. Combined point of care antibody test and rapid NAAT is not impacted by D614G and results in very high sensitivity for COVID-19 diagnosis with very high specificity

Cognitive processing and anxiety in typically developing children: evidence for an interpretation bias

In this study the authors examined whether increases in children's levels of self-reported trait anxiety would be related to their interpretation of ambiguous stimuli. By using the Revised Children's Manifest Anxiety Scale (C. R. Reynolds &amp; B. O. Richmond, 1985), the authors obtained measurements of anxiety for 40 children ages 7 and 9 years. Interpretation of ambiguous stimuli was measured by using a pictorial homophone task, where homophones could be interpreted as either threatening or neutral. Results showed that children's interpretations of homophones was significantly predicted by level of anxiety. Increases in levels of trait anxiety were positively associated with threatening interpretations of homophones

Cognitive processing and trait anxiety in typically developing children: Evidence for an interpretation bias

In this study the authors examined whether increases in children's levels of self-reported trait anxiety would be related to their interpretation of ambiguous stimuli. By using the Revised Children's Manifest Anxiety scale (C. R. Reynolds & B. O. Richmond, 1985), the authors obtained measurements of anxiety for 40 children ages 7 and 9 years. Interpretation of ambiguous stimuli was measured by using a pictorial homophone task, where homophones could be interpreted as either threatening or neutral. Results showed that children's interpretations of homophones was significantly predicted by level of anxiety. increases in levels of trait, anxiety were positively associated with threatening interpretations of homophones

Medicine in a multi-cultural society: the effect of cultural background on beliefs about medications

This exploratory, cross-sectional study examined the effect of self-reported cultural background on beliefs about medicines (modern pharmaceuticals) and perceptions of personal sensitivity to the adverse effects of taking medication. Using a validated questionnaire, beliefs about pharmaceutical medication were compared between 500 UK undergraduate students who identified themselves as having an Asian or European cultural background. There was a significant association between cultural background and beliefs about the benefits and dangers of medicines. Students who self-reported to have an Asian cultural background expressed more negative views about medication than those who reported a European cultural background. Students with an Asian cultural background were significantly more likely to perceive medicines as being intrinsically harmful, addictive substances that should be avoided. They were significantly less likely to endorse the benefits of modern medication. There was no significant relationship between cultural background and perceptions of personal sensitivity to medication effects or belief about how doctors use medication. In the total sample, past and present experience of taking medication was associated with a more positive orientation to medicines in general. Students who considered themselves to have a European cultural background had significantly more experience with prescribed medication than those who selected an Asian cultural background. The relationship between cultural background and beliefs about medicines in general was maintained after controlling for potential confounding variables, including chosen degree course, experience of taking prescribed medication, age, and gender. The identification of differences in beliefs about medication, between two specific cultural groups, suggests the need for a greater understanding of the effects of cultural background on medicine-usage with potential implications for the conduct of prescribing-related consultations and for the provision of patient information on medication.Beliefs Culture Ethnicity Medicines Perceptions UK

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