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Voice changes caused by natural aging and neurodegenerative diseases are prevalent in the aging population and diminish quality of life. Most treatments involve behavioral interventions that target the larynx because of a limited understanding of central brain mechanisms. The songbird offers a unique entry point into studying age-related changes in vocalizations because of a well-characterized neural circuitry for song that shares homology to human vocal control areas. Previously we established a translational dictionary for evaluating acoustic features of birdsong in the context of human voice measurements. In the present study, we conduct extensive analyses of birdsongs from young, middle-aged, and old male zebra finches. Our findings show that birdsongs become louder with age, and changes in periodic energy occur at middle age but are transient; songs appear to stabilize in old birds. Furthermore, faster songs are detected in finches at middle age compared with young and old finches. Vocal disorders in humans emerge at middle age, but the underlying brain pathologies are not well identified. The current findings will motivate future investigations using the songbird model to identify possible brain mechanisms involved in human vocal disorders of aging. (PsycINFO Database Record (c) 2020 APA, all rights reserved).This study examined the moderating role of effortful control in the association between interparental conflict and externalizing problems in a diverse sample of preschool children (N = 243; M age = 4.60 years). Using a multimethod, multi-informant, prospective design, findings indicated that the relation between interparental conflict and externalizing problems was only significant among children with poor effortful control. Children with high effortful control appeared to be protected against the negative effects of interparental conflict exhibiting low levels of externalizing problems despite increasing levels of interparental conflict. Toward identifying the mechanisms underlying the protective effects of effortful control, mediated moderation analyses indicated that children's effortful control protects children against interparental conflict by reducing their angry reactivity to interparental conflict. (PsycINFO Database Record (c) 2020 APA, all rights reserved).Parents commonly vocalize to infants to mitigate their distress, especially when holding them is not possible. Here we examined the relative efficacy of parents' speech and singing (familiar and unfamiliar songs) in alleviating the distress of 8- and 10-month-old infants (n = 68 per age group). Parent-infant dyads participated in 3 trials of the Still Face procedure, featuring a 2-min Play Phase, a Still Face phase (parents immobile and unresponsive for 1 min or until infants became visibly distressed), and a 2-min Reunion Phase in which caregivers attempted to reverse infant distress by (a) singing a highly familiar song, (b) singing an unfamiliar song, or (c) expressive talking (order counterbalanced across dyads). In the Reunion Phase, talking led to increased negative affect in both age groups, in contrast to singing familiar or unfamiliar songs, which increased infant attention to parent and decreased negative affect. The favorable consequences were greatest for familiar songs, which also generated increased smiling. Skin conductance recorded from a subset of infants (n = 36 younger, 41 older infants) revealed that arousal levels were highest for the talking reunion, lowest for unfamiliar songs, and intermediate for familiar songs. The arousal effects, considered in conjunction with the behavioral effects, confirm that songs are more effective than speech at mitigating infant distress. We suggest, moreover, that familiar songs generate higher infant arousal than unfamiliar songs because they evoke excitement, reflected in modestly elevated arousal as well as pleasure, in contrast to more subdued responses to unfamiliar songs. (PsycINFO Database Record (c) 2020 APA, all rights reserved).Academic language has been shown to significantly contribute to success across school subjects. However, to date, there are no empirical studies addressing its development across primary school age. The present study investigated the growth of academic vocabulary and influential conditions from Grades 2 to 4 based on a newly developed and validated test instrument. Drawing on a German sample of 472 children (N = 281 language minority learners) we found evidence of a Matthew effect with the group of language minority learners showing both lower initial level and lower growth rates compared to their monolingual peers. In addition, results of simple and full conditional growth curve models underline the significant impact of family background (parental education, books at home) and of children's nonverbal cognitive abilities on the intercept as well as the growth of academic vocabulary, thereby supporting the assumption of an additional Matthew effect according to family background, particularly in monolingual majority language children. Our results indicate the need for an early promotion of the register of academic language in monolingual as well as language minority students. (PsycINFO Database Record (c) 2020 APA, all rights reserved).OBJECTIVES Distressing physical symptoms (e.g., back pain, nausea), many of which lack medical explanation, are a common cause for medical help seeking. However, racial/ethnic and educational differences may complicate identification and explanation of such symptoms, potentially contributing to clinician misdiagnosis and patient dissatisfaction. To better understand this issue, we examined racial/ethnic differences in general physical symptoms (GPS) and, more specifically, medically unexplained physical symptoms (MUPS) and whether differences varied by race/ethnicity and educational attainment. this website METHOD A sample of 4,864 Latino, Asian, and non-Latino White community respondents (54% female; average age of 41 years) self-reported their GPS. Two experts then rated whether endorsed symptoms were likely to have a medical basis. We assessed the associations of GPS and MUPS with race/ethnicity, age, gender, educational attainment, chronic physical conditions, and past-year psychiatric diagnoses. RESULTS Asian respondents reported significantly fewer GPS than non-Latino Whites, and both Asian and Latino respondents endorsed significantly fewer MUPS than non-Latino Whites. When nativity and language were each included as covariates, racial/ethnic differences in GPS count were no longer observed; however, observed differences in MUPS count remained. Educational attainment did not demonstrate a significant relationship with either GPS or MUPS. Although comorbid mental health diagnoses were significantly related to both GPS and MUPS, age, gender, and comorbid physical conditions were the only significant predictors of GPS. CONCLUSIONS Results from this study question existing stereotypical views of racial/ethnic differences in somatization and suggest that educational attainment does not significantly contribute to reported physical symptoms-with or without medical explanation. (PsycINFO Database Record (c) 2020 APA, all rights reserved).The anomalous position of gorillas (Gorilla gorilla gorilla) in the capacity for self-recognition remains puzzling. The standard measure of self-recognition is Gallup's (1970) mark test that assesses an individual's ability to recognize its altered image in a mirror following the application of paint marks to visually inaccessible areas. Here, the results of a small-scale pilot study are presented, utilizing video playback through a TV monitor, to examine behavioral differences indicative of developing self-recognition. The behaviors of 4 Western lowland gorillas at Bristol Zoo, United Kingdom, were observed while watching a TV screen during 5 conditions blank screen, white noise interference, footage of unfamiliar gorillas, self previously recorded, and self-live. Differences were predicted in the frequency of the gorillas' observed behaviors when viewing each of the conditions specifically, that there would be more visual inspection, contingent body and facial movements, and self-exploration in the self-recorded and self-live conditions compared with the other conditions. These predictions were partially supported. No agonistic or fear responses were observed, and self-exploration was only seen in the self-live condition. During live playback, contingency-checking movements and self-exploration of the mouth were observed, particularly in the youngest gorilla, providing important video evidence of a close parallel to the mouth exploratory behavior witnessed in self-recognizing chimpanzees. On the basis of these preliminary findings of differentiated spontaneous behaviors, a tentative framework is proposed for categorizing gorillas according to levels of developing self-recognition along a continuum. (PsycINFO Database Record (c) 2020 APA, all rights reserved).More than 1 billion people worldwide report no religious affiliation. These religious "nones" represent the world's third largest religion-related identity group and are a diverse group, with some having previous religious identification and others never identifying as religious. We examined how 3 forms of religious identification-current, former, and never-influence a range of cognitions, emotions, and behavior. Three studies using nationally representative samples of religious Western (United States), secular Western (Netherlands, New Zealand) and Eastern (Hong Kong) cultures showed evidence of a religious residue effect Formerly religious individuals (i.e., religious "dones") differed from never religious and currently religious individuals in cognitive, emotional, and behavioral processes. Study 1 (n = 3,071) offered initial cross-cultural evidence, which was extended in a preregistered replication study that also included measures of charitable contribution (Study 2; n = 1,626). Study 3 (N = 31,604) found that individuals who deidentified were still relatively likely to engage in prosocial behavior (e.g., volunteering) after leaving religion. This research has broad implications for understanding changing global trends in religious identification and their consequences for psychology and behavior. (PsycINFO Database Record (c) 2020 APA, all rights reserved).OBJECTIVE Suicide remains a leading cause of death in the United States, and recent reports have suggested the suicide rate is increasing. One of the most robust predictors of future suicidal behavior is a history of attempting suicide. Despite this, little is known about the factors that reduce the likelihood of reattempting suicide. This study compares theoretically derived suicide risk indicators to determine which factors are most predictive of future suicide attempts. METHOD We used data from a randomized, controlled trial comparing 3 forms of dialectical behavior therapy (DBT; Linehan et al., 2015). Participants (N = 97, mean age = 30.3 years, 100% female, 71% White) met criteria for borderline personality disorder and had repeated and recent self-injurious behavior. Assessments occurred at 4-month intervals throughout 1 year of treatment and 1 year of follow-up. Time-lagged generalized linear mixed models (GLMMs) were used to evaluate relationship satisfaction, emotion dysregulation, and coping styles as predictors of suicide attempts.
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