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Introduction: Autism Spectrum Disorder (ASD) and Attention Deficit/Hyperactivity Disorder (ADHD) figures among the most common neurodevelopmental disorders. Despite having opposite stereotypes, both ADHD and ASD compromise, though in different ways, skills such as social interactions, communication skills, and social thinking, which may underlie difficulties in romantic relationships. Methods: We evaluated 306 adults about their romantic relationships and the intensity of their love. Participants were from one of four groups:, individuals with ASD-only traits, a group with symptoms of ADHD-only, participants with neither ADHD nor ASD symptoms (control) or from a fourth group of individuals with both ADHD and ASD traits. Results: The ASD traits group had fewer married people and more people who have never been married, while the rate of divorce was higher in the ADHD traits group. Regarding the intensity of love, the mean scores of the ADHD and the ADHD+ASD traits groups were higher in the Passionate Love Scale than the mean score of the control group. Passionate love in the ASD group was no different from the other groups. Small positive correlations were found between passionate love and ADHD and ASD behavioral problems. Conclusion: Marital status was distinct depending on symptoms of a neurodevelopmental disorder in adulthood. Also, ADHD and ASD symptoms were associated with greater passionate love. Therefore, ADHD and ASD behavioral dimensions may impact long-term and short-term experiences of a person's relationship with a significant other in distinct ways. Understanding how people with neurodevelopmental disorders experience love might help us to better clarify the mechanisms associated with their relationship patterns.

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INTRODUCTION: In this study, we proposed to investigate the association between infatuation/passionate love and impulsivity in a context of potential high impulsivity: adolescents with attention deficit and hyperactivity/impulsivity (ADHD) diagnosis compared with typically developing adolescents. METHODS: Impulsivity was understood as an exploratory and a sensation seeking behavior, a trend to engage in novel and exciting activities, and was evaluated using the UPPS Impulsive Behavior Scale. Eighty-one adolescents from 13-to-18 years old with and without ADHD diagnosis were compared regarding infatuation intensity, behavioral impulsivity, and social and educational profiles. RESULTS: After correlation analysis, we found association between higher scores on the infatuation intensity with fewer years of formal education, heightened urgency and sensation seeking. On the other hand, using the generalized equation model, we showed that the association of passionate love with behavioral urgency and sensation seeking did not change in the presence of the ADHD diagnosis. CONCLUSION: The understanding of the relationship of impulsivity with infatuation might help to clarify why some population groups show an increased risk for many negative social outcomes.

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Abstract Background Passionate love involves physiological, emotional, and cognitive features that greatly changes behavior. This phenomenon seems universal or near universal. Even other animal species choose partners. An intense state of passionate love is associated with activity in dopamine pathways of the brain 'reward system', and recently has been regarded as a 'natural addiction'. Instruments or tools to evaluate romantic love during childhood is still scarce. Objective To perform the translation and cultural adaptation of the Juvenile Love Scale (JLS) for use in the Brazilian context targeted for adolescents between 14 and 18 years old. Methods The translation and cultural adaptation of JLS followed international recommendations, and its content validity was analyzed by a panel of experts in different areas of knowledge. Results The final version of the JLS for use in the Brazilian context showed high content validity (> 90%). Discussion To our knowledge, this is the first scale for measuring romantic or passionate love in adolescents adapted to the Brazilian context. This instrument is a significant contribution to the study of the dimensions of love, as well as to understand the impact of love on the psychiatric phenomena that pervade life in this stage of development.

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Na nossa cultura, o amor apaixonado é de grande importância, portanto a diminuição ou ausência desse sentimento poderá levar ao distanciamento entre os membros do casal de amantes e até ao término da relação amorosa. Esta investigação buscou evidências de validade de construto para a Escala de Amor Apaixonado. Foram examinadas as respostas de 578 participantes de ambos os sexos por meio de Análise Fatorial Exploratória. Os resultados revelaram que o instrumento adaptado para o idioma brasileiro possui um único fator, que explicou 64,2% da variância comum. Essa medida do amor apresentou excelente consistência interna e correlações de moderadas a fortes com a Escala Triangular do Amor-R e suas subescalas. Neste estudo, foram geradas algumas evidências de validade fatorial, validade convergente e fidedignidade para a versão brasileira da Escala de Amor Apaixonado.

In our culture, is passionate love of great importance, therefore, a reduction or absence of that feeling, can lead to estrangement between members of a couple of lovers until the end of a relationship. This research sought evidence of construct validity for the Passionate Love Scale. The responses of 578 participants of both sexes were examined through Exploratory Factor Analysis. The results revealed that the instrument adapted for the Brazilian language has a single factor, which explained 64.2% of the common variance. This measure showed excellent internal consistency and correlations with the Triangular Love Scale-R and its subscales, which ranged from moderate to strong. In this study some evidence of factorial validity, internal consistency and convergent validity for the Brazilian version of Passionate Love Scale were generated.

En nuestra cultura, es el amor apasionado de gran importancia, por lo tanto, una reducción o ausencia de ese sentimiento, puede conducir a la alienación entre los miembros de una pareja de enamorados hasta el final de una relación. Esta investigación buscó evidencia de validez de constructo de la Escala de Amor Apasionado. Las respuestas de 578 participantes de ambos sexos fueron examinados mediante Análisis Factorial Exploratorio. Los resultados mostraron que el instrumento adaptado a la lengua brasileña tiene sólo un factor que explicó 64,2% de la varianza común. Esta medida mostró una excelente consistencia interna y correlaciones con la Escala de Amor Triangular- R y sus subescalas, que varió de moderado a fuerte. En este estudio, algunas evidencias de validez factorial, índices de consistencia y validez convergente internos se obtuvieron para la versión brasileña da Escala de Amor Apasionado.