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Network analysis in the study of psichopathology and its application to the study of the dynamics of paranoid beliefs

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2021-05-21
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Universidad Complutense de Madrid
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Paranoid ideation is the most common and studied type of belief in the spectrum of psychotic disorders (Jorgensen & Jensen, 1994). To date, research has shown that paranoid thinking is present in the general population, which has led to the conceptualization of this phenomenon as a multifactorial and continuum process (Bebbington et al., 2013; Freeman, 2016; Garety & Hemsley, 1997). Currently, there are several theoretical models accounting for psychological factors involved in the development and maintenance of these beliefs. One of the most influential, the self-serving bias theory, has pointed out the importance of taking into account not only levels, but also fluctuations in the processes associated with paranoid beliefs (Bentall et al., 2001). Thus, it has been hypothesized that fluctuations in paranoia-related processes might affect the severity of these beliefs (Murphy et al., 2018). Although there are several works that have studied how the fluctuations in some processes involved in paranoia, such as self-esteem, negative affect or experiential avoidance, can affect it (Thewissen et al., 2011; Udachina et al., 2014), research paying attention to the dynamics of these processes from a multifactorial perspective is scarce. Recently, a new approach to psychopathology research has emerged, known as network analysis theory (Borsboom & Cramer, 2013). This perspective proposes an alternative vision of mental problems to those provided so far by current models in psychopathology. From this approach, mental problems are conceptualised as dynamic interactions between elements that influence each other (Borsboom, 2017), which seems to fit well the study of paranoid belief as a dynamic and multidimensional process...
Las ideas paranoides son el tipo de creencia mĂ¡s comĂºn y estudiada dentro del espectro de los trastornos psicĂ³ticos (Jorgensen & Jensen, 1994). La investigaciĂ³n, hasta el momento, ha mostrado evidencias de que el pensamiento paranoide se encuentra presente en poblaciĂ³n general, lo que ha dado lugar a la conceptualizaciĂ³n de este fenĂ³meno como un proceso multifactorial continuo (Bebbington et al., 2013; Freeman, 2016; Garety & Hemsley, 1997). En la actualidad, existen varios modelos teĂ³ricos que señalan los posibles factores psicolĂ³gicos implicados en el desarrollo y mantenimiento de estas creencias. Uno de los modelos mĂ¡s influyentes, la teorĂ­a del sesgo auto-sirviente, ha señalado la importancia de tener en cuenta los niveles y fluctuaciones de los procesos asociados a las creencias paranoides (Bentall et al., 2001), ya que su dinĂ¡mica temporal puede afectar su gravedad (Murphy et al., 2018). Aunque existen algunos trabajos que han estudiado cĂ³mo pueden afectar a la paranoia las fluctuaciones de algunos procesos que intervienen en ella como la autoestima, el afecto negativo o la evitaciĂ³n experiencial, (Thewissen et al., 2011; Udachina et al., 2014), los estudios que prestan atenciĂ³n a la dinĂ¡mica asociada a la creencia paranoide desde una perspectiva multifactorial son escasos. Recientemente ha emergido un nuevo enfoque en la investigaciĂ³n en psicopatologĂ­a, conocido como la teorĂ­a de redes (Borsboom & Cramer, 2013). Esta perspectiva propone una visiĂ³n de los problemas mentales alternativa a las proporcionadas hasta el momento por los modelos vigentes en psicopatologĂ­a. AsĂ­, la teorĂ­a de redes en psicologĂ­a conceptualiza los problemas mentales como interacciones dinĂ¡micas entre elementos que se influyen mutuamente (Borsboom, 2017), lo que puede permitir el estudio de la creencia paranoide como proceso dinĂ¡mico y multidimensional...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Psicología, leída el 17/12/2020
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