FCH2-Artigos (em revistas ou actas indexadas)
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- EEG responses to auditory cues during speech preparation predict stuttering severity and intervention outcomePublication . Rocha, Mónica; Carmona, Jaqueline; Correia, JoaoStuttering is a variable speech disorder whose brain mechanisms remain unknown. Sensorimotor brain circuits, critical in motor-speech control, including the prediction and monitoring of speech consequences, have been linked to the disorder. Despite considerable advances, it remains unclear whether auditory neural circuits relate to stuttering severity, and whether interventions to persons who stutter can induce underlying brain changes. We employed electroencephalography (EEG), in a group of persons who stutter (PWS), in combination with auditory probes to tap onto the relevance of auditory cortical regions in stuttering severity. Participants produced flexible speech (i.e., describing pictures) and non-flexible speech (i.e., reading syllables), following an auditory cue. More pronounced P200 auditory evoked potentials in response to the auditory cues were observed in participants with more severe stuttering, mainly in the picture task. Interestingly, while speech therapy intervention led to a reduction (albeit non-significant) of the P200 potential, this reduction was marginally correlated to speech fluency improvements. Moreover, EEG response patterns discriminative of cue tone frequency (400 Hz versus 800 Hz) were also predictive of stuttering severity, suggesting the involvement of fine-grained auditory cortical processing in speech preparation and stuttering. Overall, this study confirms a relationship between auditory processing of external sounds and the mechanisms of stuttering during the preparation to speak and highlights the advantage of a picture description task to investigate the relationship between auditory evoked potentials and stuttering severity under relatively ecological conditions.
- Contributions of physical activity and positive psychological functioning to flow and well-beingPublication . Rodrigues, Nuno; Vieira, Luís Sérgio; Martins, Cátia; Cardoso Moreira, Catarina; Neves de Jesus, SaúlStudies highlight the importance of physical activity (PA) in relation to positive psychological functioning (PPF) among adults. Physical inactivity is strongly associated with lower levels of PPF, supporting the idea that lifestyle choices can be identified as a public health concern. There is growing evidence of the health benefits of regular PA. This study aims to analyze the contribution of PA to flow, PPF, and well-being. The sample consisted of 226 adults aged between 18 and 65 years (M = 41.23; SD = 12.50), mostly female (70.35%), with 56% reporting regular PA. Results revealed significant differences favoring active individuals over sedentary participants in all dimensions of flow, except for loss of self-consciousness. Regular PA was associated with higher levels of flow and psychological well-being. Both regular and intensive PA, as well as environmental mastery (EM), were key contributors to flow experiences, while self-acceptance and EM were central contributors to the Live Well Index. These findings support the association between PA and lower likelihood of sedentary lifestyles, emphasize its benefits for well-being, and highlight the association between PPF and active lifestyle patterns.
- Psychometric examination of the prosocial behavior scale and its associations with antisocial variables among portuguese youthPublication . Pechorro, Pedro; Pereira, Solange; Nunes, Cristina; DeLisi, Matt; Simões, Mário R.Prosocial behavior is altruistic conduct devoted to benefitting others, benefitting one’s community, and reinforcing conventional behaviors that serve a public good. The aim of the present study is to examine the psychometric properties of the Prosocial Behavior Scale (PBS) among male and female Portuguese youth participants (N = 559 youth, M = 16.51 years, SD = 1.07, range = 14–20 years). A two-factor intercorrelated model obtained the best fits, and the fits of a second-order model were also acceptable. Internal consistency as measured by the alpha and omega reliability estimators was good. Significant associations were found with psychometric measures of relevant constructs (e.g. self-control, psychopathic traits, criminogenic cognitions), and external criterion-related variables (e.g. engaging in illegal activities, alcohol and drug abuse). Cross-gender measurement invariance was established, with females scoring significantly higher than males on the PBS and its factors. Our findings support the use of the PBS as a valid and reliable measure of prosociality.
- Intensive resource exploitation in Late Neolithic Iberia: bone marrow and subsistence changes at Branqueiras, central-coastal PortugalPublication . Costa, Cláudia; Fernandes Martins, Maria João; Cardoso, Vera; Cardoso, Guilherme; Carvalho, António Manuel Faustino deThe exploitation of bone marrow has long been recognised as a vital component of past human subsistence strategies, particularly for its nutritional value. While this practice is well studied in hunter-gatherer societies and in communities facing harsh environmental conditions, it is less understood in prehistoric farming societies and temperate environments. This paper presents the results of bone marrow exploitation at the Late Neolithic short term site of Branqueiras, located in the temperate central-coastal region of Portugal. The faunal assemblage reveals a significant percentage of intentional long bone breakage for marrow extraction, a practice that appears to have been overlooked in earlier and later periods. The site’s short-term occupation, radiocarbon-dated to 2900–2700 cal BC, coincides with a hiatus at the nearby long-term settlement of Leceia and occurred during a period of climate change characterised by reduced rainfall, hot summers, and cold winters. This study provides key insights into human adaptation to climate stress within established farming communities, a topic often underexplored in Neolithic–Chalcolithic contexts. The authors propose that the Branqueiras community repre sents a shift in human behaviour, as itinerant groups adapted to arid conditions by intensively exploiting animal resources, including domestic caprines, swine, wild game, and molluscs, while agricultural practices and cattle herding declined. In this context, bone marrow became a crucial source of nutrients, playing a significant role in subsistence strategies during this challenging period Phenolic compounds.
- Self-determination as a mediator between mindfulness and perfectionism in theory and practicePublication . Antunes, João Paulo; Neves de Jesus, Saúl; Brás, Marta; Carmo, CláudiaMindfulness-based interventions (MBIs) have been surging as an alternative to cognitive-behavioural therapy for perfectionism. Despite promising results, there are practical and theoretical concerns regarding high resistance from perfectionists towards developing mindfulness related capabilities. Self-Determination Motivation could provide a pathway to circumvent this problem by mediating the relationship between mindfulness and multidimensional perfectionism. Ninety-three university students filled a questionnaire containing mindfulness, perfectionism and motivation measures. Thirteen participants were then included in an 8-week MBI.
- Metabeliefs about worry, cognitive fusion, and acceptance: associations and mediations analysisPublication . Sanchez-Escamilla, Francisco; Redondo-Delgado, Marta; Jiménez-Ros, Antonia María; Pérez-Nieto, Miguel ÁngelBackground: Although metacognitive therapy (MCT) and acceptance and commitment therapy (ACT) are grounded in different theoretical frameworks, both target repetitive negative thinking (RNT) processes, such as worry and rumination, and share a focus on fostering psychological flexibility and reducing experiential avoidance. However, no integrated theoretical model currently exists to combine their potential strengths. Recent research highlights the importance of metacognitive beliefs and acceptance-related processes in maintaining maladaptive RNT. Objective: This study aimed to explore metacognitive and acceptance-based variables in relation to RNT. Methods: The sample consisted of 149 people (116 females), aged between 18 and 71 (M = 34.7; SD = 14.9) who answered the following questionnaires: PSWQ, The AAQ-II, The CFQ, The VQ, MCQ-30 and TCQ. Results: The mediation analysis reveals that cognitive fusion significantly mediated the relationship between metacognitive beliefs and worry, whereas acceptance had a weaker mediating effect. Conclusion: Beliefs about the uncontrollability of worry appear to play a pivotal role in sustaining worry, primarily through their influence on cognitive fusion. These findings provide preliminary support for conceptual overlaps between MCT and ACT in addressing RNT. However, as this is an exploratory and crosssectional study, conclusions about treatment mechanisms should be drawn cautiously, and future longitudinal and experimental studies are needed to strengthen these insights.
- Rest to resist: how recovery shields well-being from work–family strainPublication . Sousa, Cátia; Silva, LauraThis study examines the mediating role of recovery experiences in the relationship between work–family conflict (WFC) and employee well-being. While WFC has been consistently linked to negative outcomes such as psychological distress and reduced life satisfaction, the mechanisms that may buffer its effects remain underexplored. Drawing on the Conservation of Resources Theory and the Effort-Recovery Model, we investigated whether four types of recovery experiences—psychological detachment, relaxation, mastery, and control—mediate the WFC–well-being relationship. A cross-sectional survey was conducted with 240 employees using validated self-report instruments. Data were analysed through correlation, regression, and mediation techniques, including bootstrapping procedures via PROCESS. The results confirmed a significant negative association between WFC and well-being. All four recovery experiences were positively related to well-being, with relaxation emerging as the strongest predictor. Mediation analyses showed that each of the recovery experiences partially mediated the relationship between WFC and well-being. These findings highlight the importance of recovery as a psychological buffer in the context of elevated work–family interference. Organizational practices that foster recovery—such as encouraging psychological detachment, offering flexible schedules, and promoting restorative activities—may contribute to sustaining employee mental health and resilience
- Rest to resist: How recovery shields well-being from work–family strainPublication . Sousa, Cátia; Silva, LauraThis study examines the mediating role of recovery experiences in the relationship between work–family conflict (WFC) and employee well-being. While WFC has been consistently linked to negative outcomes such as psychological distress and reduced life satisfaction, the mechanisms that may buffer its effects remain underexplored. Drawing on the Conservation of Resources Theory and the Effort-Recovery Model, we investigated whether four types of recovery experiences—psychological detachment, relaxation, mastery, and control—mediate the WFC–well-being relationship. A cross-sectional survey was conducted with 240 employees using validated self-report instruments. Data were analysed through correlation, regression, and mediation techniques, including bootstrapping procedures via PROCESS. The results confirmed a significant negative association between WFC and well-being. All four recovery experiences were positively related to well-being, with relaxation emerging as the strongest predictor. Mediation analyses showed that each of the recovery experiences partially mediated the relationship between WFC and well-being. These findings highlight the importance of recovery as a psychological buffer in the context of elevated work–family interference. Organizational practices that foster recovery—such as encouraging psychological detachment, offering flexible schedules, and promoting restorative activities—may contribute to sustaining employee mental health and resilience.
- Adaptation and validation of a Child-Reported measure of parental school involvementPublication . Belém, Helena Sofia Mocho Alcaparra; Martins, Cátia; Ratinho, Elias; Nunes, CristinaParental school involvement (PSI) is an important contributor to children’s academic and overall positive development. Such activities as discussing schoolwork and tracking progress can boost children’s motivation and achievements. Although the multifaceted nature of PSI is widely recognized, there are limited reliable measures that comprehensively capture all its dimensions, particularly for children and adolescents. This study aims to develop a measure for assessing children and adolescents’ perceptions of parental involvement based on parent- and teacher-validated self-report measures—the Parental School Involvement Questionnaire—Children’s version (PSIQ-CV). A total of 537 children and adolescents (MAge = 9.64, SDAge = 2.43), mainly female (52.8%), from the south of Portugal participated in this study. An exploratory factor analysis (EFA, n = 150) and a confirmatory factor analysis (CFA, n = 387) were carried out. The EFA indicated a three-factor solution (i.e., support in learning activities, parent–school communication, and supervision), supported by the CFA, with good quality-of-fit indices (χ2 = 225; df = 101; χ2/df = 2.23; CFI = 0.91; TLI = 0.89; RMSEA = 0.060 [CI: 0.049–0.070]). Our data confirmed that the PSIQ-CV has robust psychometric properties, with acceptable reliability and validity. The PSIQ-CV can be considered a relevant and valid tool for measuring the perception of parental school involvement among children and adolescents, in line with Epstein’s theoretical model, and useful for both researchers and practitioners.
- A elaboração de um léxico-gramática para os adjetivos do Português BrasileiroPublication . Martinez, Ryan Saldanha; Baptista, Jorge; Vale, Oto AraújoEste artigo descreve uma classificação e descrição em larga escala, ainda em andamento, dos adjetivos do português brasileiro. Classificamos em predicativo ou n ̃ao predicativo os 3.367 lemas mais frequentes de adjetivo em um corpus de referência, o que corresponde a 92.09% das ocorrências de adjetivos nesse corpus. Os adjetivos predicativos receberam classificações adicionais com base no número (um ou dois) e tipo de argumentos (grupo nominal ou ora ̧c ̃ao), o que levou a seis classes diferentes de adjetivo predicativo, acrescidos de outras duas subclasses. Também descrevemos as propriedades distribucionais de cada adjetivo predicativo: sujeito e complemento humano ou n ̃ao humano, modo dos argumentos oracionais, verbos copulativos e preposições. A classe mais representativa foi a dos adjetivos não predicativos, seguida pelos adjetivos intransitivos com grupo nominal e com sujeito oracional, respetivamente. Os adjetivos tendem a se construir com verbo copulativo ser, selecionar mais argumentos não humanos e, quando estes são orações, só mais comumente reduzidas de infinitivo ou orações modo subjuntivo. As preposições mais comumente aceitas foram para de e a.