Blar i forfatter "Lüdtke, Thies"

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    • Evaluation of a brief unguided psychological online intervention for depression: A controlled trial including exploratory moderator analyses 

      Lüdtke, Thies; Pult, Lilian K.; Schneider, Brooke C.; Pfuhl, Gerit; Moritz, Steffen (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-06-28)
      <p><i>Background</i>: Psychological online interventions (POIs) reduce depression but we know little about factors influencing their effectiveness. We evaluated a new, brief POI for depression and conducted exploratory moderator analyses.</p> <p><i>Methods</i>: In this online trial (German Clinical Trials Register; DRKS00011045), we allocated participants to treatment as usual (TAU; n = 67) or ...

    • Identifying and treating predictors of psychotic symptoms - How findings from Experience Sampling research can help to improve the treatment of psychosis and the prediction of relapse 

      Lüdtke, Thies (Doctoral thesis; Doktorgradsavhandling, 2021-06-10)
      The present thesis aims at using insights from ESM studies (i.e., frequent ecologically valid self-reports for approximately one week) to improve the treatment and the prediction psychotic symptoms. ESM indicates that warning signs, such as negative affect, worrying, sleep problems, or aberrant salience precede rapidly fluctuating psychotic symptoms throughout the day. Assuming underlying causal ...

    • An internet-based intervention for people with psychosis (EviBaS): Study protocol for a randomized controlled trial 

      Ruegg, Nina; Moritz, Steffen; Berger, Thomas; Lüdtke, Thies; Westermann, Stefan (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-04-13)
      <p><i>Background</i>: Evidence shows that internet-based self-help interventions are effective in reducing symptoms for a wide range of mental disorders. To date, online interventions treating psychotic disorders have been scarce, even though psychosis is among the most burdensome disorders worldwide. Furthermore, the implementation of cognitive-behavioral therapy (CBT) for psychosis in routine ...

    • Mindfulness Mediates the Effect of a Psychological Online Intervention for Psychosis on Self-Reported Hallucinations: A Secondary Analysis of Voice Hearers From the EviBaS Trial 

      Lüdtke, Thies; Platow-Kohlschein, Heike; Rüegg, Nina; Berger, Thomas; Moritz, Steffen; Westermann, Stefan (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-04-03)
      <i>Background</i>: Psychological online interventions (POIs) could represent a promising approach to narrow the treatment gap in psychosis but it remains unclear whether improving mindfulness functions as a mechanism of change in POIs. For the present study, we examined if mindfulness mediates the effect of a comprehensive POI on distressing (auditory) hallucinations.<p> <p><i>Methods</i>: We ...

    • Post-psychotic depression: Paranoia and the damage done 

      Moritz, Steffen; Schmidt, Stefanie; Lüdtke, Thies; Braunschneider, Lea-Elena; Manske, Alisa; Schneider, Brooke C.; Veckenstedt, Ruth (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-20)
      To mitigate the often chronic course of schizophrenia and improve functional outcome, researchers are increasingly interested in prodromal states and psychological risk factors that may predict the outbreak of psychotic symptoms, but are also amenable to change. In recent years, depressive symptoms have been proposed as precursors of psychosis and some interventional studies indicate that the ...

    • Prolonged rather than hasty decision-making in schizophrenia using the box task. Must we rethink the jumping to conclusions account of paranoia? 

      Moritz, Steffen; Scheunemann, Jakob; Lüdtke, Thies; Westermann, Stefan; Pfuhl, Gerit; Balzan, Ryan P; Andreou, Christina (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-06-05)
      Jumping to conclusions (JTC) is the best established cognitive bias in schizophrenia and is increasingly targeted in interventions aimed to improve positive symptoms. To address shortcomings of the standard measure to capture JTC, the beads task, we developed a new variant—the box task—which was subsequently validated in people with elevated psychotic-like experiences. For the first time, the box ...

    • A randomized controlled trial on a smartphone self-help application (Be Good to Yourself) to reduce depressive symptoms 

      Lüdtke, Thies; Pult, Lilian Klara; Schröder, Johanna; Moritz, Steffen; Bücker, Lara (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-08-29)
      Depressive symptoms are common, yet only a subgroup of individuals receive adequate treatment. To reduce the treatment gap, several online self-help programs have been developed, yielding small to moderate effects. We developed a smartphone self-help application addressing depressive symptoms. We sought to evaluate its feasibility and efficacy in participants reporting a subjective need for help (a ...

    • Sleep problems and worrying precede psychotic symptoms during an online intervention for psychosis 

      Lüdtke, Thies; Pfuhl, Gerit; Moritz, Steffen; Ruegg, Nina; Berger, Thomas; Westermann, Stefan (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-10)
      <p><i>Objective - </i>Experience sampling assessments (multiple assessments per day for approximately one week) indicate that positive symptoms fluctuate over time in psychosis. Precursors, such as sleep problems or worrying, predict these fluctuations. To date, it remains unclear whether the same precursors predict symptom variability also during treatment in an online intervention for psychosis, ...