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Jon Fridrik Sigurdsson

Jon Fridrik Sigurdsson

D-Index & Metrics

Psychology

D-Index
42
Citations
5332
World Ranking
7670
National Ranking
2

Overview

Jon Fridrik Sigurdsson is affiliated with the University of Iceland in Iceland and has contributed extensively to the fields of psychology and medicine, with a total of 44 publications across these domains. Their research encompasses a range of subfields including clinical psychology, experimental and cognitive psychology, psychiatry and mental health, general health professions, and hematology.

The scientist's work frequently addresses topics such as child and adolescent psychosocial and emotional development, anxiety, depression, psychometrics, treatment, cognitive processes, mental health research, fibromyalgia and chronic fatigue syndrome research, obsessive-compulsive spectrum disorders, multiple myeloma research and treatments, and psychosomatic disorders and their treatments.

Jon Fridrik Sigurdsson has published in several journals, appearing most often in:

  • Nordic Psychology
  • Behavioural and Cognitive Psychotherapy
  • Annals of Internal Medicine
  • International Journal of Environmental Research and Public Health
  • Nordic Journal of Psychiatry

Frequent collaborators include Paul M. Šalkovskis, Sævar Már Gústavsson, Sigrún Ólafsdóttir Flóvenz, Haukur Freyr Gylfason, and Heiðdís Valdimarsdóttir.

Selected recent papers by Jon Fridrik Sigurdsson include:

  • Cognitive analysis of specific threat beliefs and safety-seeking behaviours in generalised anxiety disorder: revisiting the cognitive theory of anxiety disorders, 2021, Behavioural and Cognitive Psychotherapy
  • How effective psychological treatments work: mechanisms of change in cognitive behavioural therapy and beyond, 2023, Behavioural and Cognitive Psychotherapy
  • The IGF system and longitudinal growth in preterm infants in relation to gestational age, birth weight and gender, 2020, Growth Hormone & IGF Research
  • Development of a Multivariable Model to Predict the Need for Bone Marrow Sampling in Persons With Monoclonal Gammopathy of Undetermined Significance, 2024, Annals of Internal Medicine
  • "I'm So Tired": Fatigue as a Persistent Physical Symptom among Working People Experiencing Exhaustion Disorder, 2021, International Journal of Environmental Research and Public Health

Best Publications

  • Cognitive behaviour therapy in medication-treated adults with ADHD and persistent Symptoms: A randomized controlled trial

    Brynjar Emilsson;Brynjar Emilsson;Gisli Gudjonsson;Jon F Sigurdsson;Gisli Baldursson

  • Differences and similarities between violent offenders and sex offenders

    Gisli H Gudjonsson;Jon F Sigurdsson

  • The relationship between satisfaction with life, ADHD symptoms, and associated problems among university students.

    Gisli H Gudjonsson;Jon Fridrik Sigurdsson;Gudrun Agusta Eyjolfsdottir;Jakob Smari

  • The psychological characteristics of ‘false confessors’. A study among icelandic prison inmates and juvenile offenders

    Jon F. Sigurdsson;Gisli H. Gudjonsson

  • Symptoms of insomnia among patients with obstructive sleep apnea before and after two years of positive airway pressure treatment.

    Erla Björnsdóttir;Christer Janson;Jón F. Sigurdsson;Jón F. Sigurdsson;Philip Gehrman

  • An epidemiological study of ADHD symptoms among young persons and the relationship with cigarette smoking, alcohol consumption and illicit drug use.

    Gisli H. Gudjonsson;Jon Fridrik Sigurdsson;Inga Dora Sigfusdottir;Susan Young

  • Custodial interrogation, false confession and individual differences: A national study among Icelandic youth

    Gisli H. Gudjonsson;Jon Fridrik Sigurdsson;Bryndis Bjork Asgeirsdottir;Inga Dora Sigfusdottir

  • Insomnia in untreated sleep apnea patients compared to controls.

    Erla Björnsdóttir;Christer Janson;Thorarinn Gíslason;Jón Fridrik Sigurdsson;Jón Fridrik Sigurdsson

  • The Gudjonsson Confession Questionnaire-Revised (GCQ-R) factor structure and its relationship with personality

    Gisli H Gudjonsson;Jon F Sigurdsson

  • Associations between sexual abuse and family conflict/violence, self-injurious behavior, and substance use: The mediating role of depressed mood and anger

    Bryndis Bjork Asgeirsdottir;Inga Dora Sigfusdottir;Gisli H. Gudjonsson;Jon Fridrik Sigurdsson;Jon Fridrik Sigurdsson

  • The relationship of compliance with coping strategies and self-esteem

    Gisli H. Gudjonsson;Jon Fridrik Sigurdsson

  • How frequently do false confessions occur? an empirical study among prison inmates

    Gisli H. Gudjonsson;Jon F. Sigurdsson

  • Confessions and denials and the relationship with personality

    Gisli H. Gudjonsson;Jon Fridrik Sigurdsson;Olafur O. Bragason;Emil Einarsson

  • Quality of life among untreated sleep apnea patients compared with the general population and changes after treatment with positive airway pressure.

    Erla Bjornsdottir;Brendan T. Keenan;Bjorg Eysteinsdottir;Erna Sif Arnardottir

  • Motivation for offending and personality. A study among young offenders on probation

    Gisli H. Gudjonsson;Jon Fridrik Sigurdsson

  • Alcohol and drug intoxication during police interrogation and the reasons why suspects confess to the police

    Jon F. Sigurdsson;Gisli H. Gudjonsson

  • Screening for attention-deficit hyperactivity disorder and co-morbid mental disorders among prison inmates

    Emil Einarsson;Jon Fridrik Sigurdsson;Gisli H. Gudjonsson;Anna Kristin Newton

  • A Model of Sexual Abuse’s Effects on Suicidal Behavior and Delinquency: The Role of Emotions as Mediating Factors

    Inga Dora Sigfusdottir;Inga Dora Sigfusdottir;Bryndis Bjork Asgeirsdottir;Bryndis Bjork Asgeirsdottir;Gisli H. Gudjonsson;Gisli H. Gudjonsson;Jon Fridrik Sigurdsson;Jon Fridrik Sigurdsson

  • Bullying and delinquency. The mediating role of anger

    Inga Dora Sigfusdottir;Gisli H. Gudjonsson;Jon Fridrik Sigurdsson;Jon Fridrik Sigurdsson

  • The mental health characteristics of pregnant women with depressive symptoms identified by the Edinburgh Postnatal Depression Scale.

    Linda B. Lydsdottir;Louise M. Howard;Halldora Olafsdottir;Marga Thome

  • Trends in depressive symptoms, anxiety symptoms and visits to healthcare specialists: A national study among Icelandic adolescents.

    Inga D. Sigfusdottir;Bryndis B. Asgeirsdottir;Jon F. Sigurdsson;Gisli H. Gudjonsson

Frequent Co-Authors

Gisli H. Gudjonsson
Gisli H. Gudjonsson King's College London
Susan Young
Susan Young Psychology Services Limited
Paul M. Salkovskis
Paul M. Salkovskis University of Oxford
Heiddis B. Valdimarsdottir
Heiddis B. Valdimarsdottir Icahn School of Medicine at Mount Sinai
Louise M. Howard
Louise M. Howard King's College London

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