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Raimo Lappalainen

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Citations 954
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Recent Articles
1.
Mannisto S, Pietilainen K, Muotka J, Suojanen L, Lappalainen R, Korpela R
J Med Internet Res . 2025 Mar; 27:e60436. PMID: 40073400
Background: Acceptance and commitment therapy provides a psychobehavioral framework feasible for digital and hybrid weight loss interventions. In face-to-face studies, group-based interventions yield more favorable outcomes than individual interventions, but...
2.
Selinheimo S, Vuokko A, Lappalainen P, Keinonen K, Sainio M, Lappalainen R, et al.
BMC Psychol . 2025 Mar; 13(1):229. PMID: 40069901
Background: Persistent physical symptoms (PPS) can significantly impair health-related quality of life (HRQoL) and are often accompanied by psychiatric comorbidity. Psychological flexibility (PF), characterized by the ability to adapt functionally...
3.
Vahasarja L, Lipsanen J, Kouvonen A, Lahelma E, Lappalainen R, Virtanen M, et al.
Psychol Assess . 2025 Jan; 37(3):e15-e27. PMID: 39846992
We conducted the first validation of the Depression Anxiety Stress Scales (DASS-21) in Finnish. DASS-21 is a short public domain questionnaire, which presents a way to quickly and effectively screen...
4.
Hamalainen T, Lappalainen P, Langrial S, Lappalainen R, Kiuru N
Sci Rep . 2025 Jan; 15(1):2868. PMID: 39843686
Insomnia, i.e., difficulty falling asleep or staying asleep, is a common condition that is connected to many psychological and physical problems. Online-based Acceptance and Commitment Therapy (ACT) has recently been...
5.
Petaja M, Lappalainen R, Kettunen T, Lappalainen P, Kaipainen K, Muotka J, et al.
Health Psychol Open . 2024 Nov; 11:20551029241302977. PMID: 39582519
This study investigated the impact of online psychological flexibility training and support provided by peers on self-rated health (SRH) and health-related quality of life (HRQoL) among adults with overweight. It...
6.
Lappalainen P, Keinonen K, Lappalainen R, Selinheimo S, Vuokko A, Sainio M, et al.
J Psychosom Res . 2024 Jun; 183:111830. PMID: 38878337
Objective: Persistent physical symptoms (PPS) represent a major health problem affecting daily functioning. This RCT aimed to examine whether a guided Internet-based treatment based on acceptance and commitment therapy (ACT)...
7.
Neto D, Silva A, Roberto M, Lubenko J, Constantinou M, Nicolaou C, et al.
Front Psychol . 2023 Jun; 14:1227506. PMID: 37384172
[This corrects the article DOI: 10.3389/fpsyg.2021.640955.].
8.
Salmela J, Konttinen H, Lappalainen R, Muotka J, Antikainen A, Lindstrom J, et al.
Int J Obes (Lond) . 2023 May; 47(7):564-573. PMID: 37149709
Background: Behavioral processes through which lifestyle interventions influence risk factors for type 2 diabetes (T2DM), e.g., body weight, are not well-understood. We examined whether changes in psychological dimensions of eating...
9.
Chong Y, Chien W, Cheng H, Lamnisos D, Lubenko J, Presti G, et al.
Global Health . 2023 Apr; 19(1):25. PMID: 37069677
Background: Identifying common factors that affect public adherence to COVID-19 containment measures can directly inform the development of official public health communication strategies. The present international longitudinal study aimed to...
10.
Puolakanaho A, Muotka J, Lappalainen R, Lappalainen P, Hirvonen R, Kiuru N
J Adolesc . 2023 Mar; 95(5):990-1004. PMID: 36960576
Introduction: Relatively little is known about individual differences in adolescent psychological flexibility and its associations with symptoms of stress and depression. This study examined different profiles of adolescent stress and...