Jaakko Tammilehto

ORCID: 0000-0002-6920-4322
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About
Contact & Profiles
Research Areas
  • Child and Adolescent Psychosocial and Emotional Development
  • Attachment and Relationship Dynamics
  • Mental Health Research Topics
  • Mental Health Treatment and Access
  • Digital Mental Health Interventions
  • Psychosocial Factors Impacting Youth
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Cognitive Abilities and Testing
  • Maternal Mental Health During Pregnancy and Postpartum
  • Early Childhood Education and Development
  • Sleep and related disorders
  • Neuroendocrine regulation and behavior
  • Child Abuse and Trauma

Tampere University
2021-2025

University of Helsinki
2024-2025

Symptoms of depression and anxiety frequently co-occur, but traditional discrete-time models fail to capture their causal interactions. To explore the dynamic relationship between these symptoms, we applied two advanced methodologies—non-Gaussian direction dependence analyses continuous-time structural equation modeling—across therapist-guided internet-based cognitive-behavioral therapy (iCBT) samples general-population cohorts ( N = 22,530). Our findings revealed that in iCBT, neither nor...

10.1177/21677026241301057 article EN cc-by Clinical Psychological Science 2025-01-30

Attachment theory proposes that the activation of attachment system enacts emotion regulation (ER) to maintain security or cope with insecurity. However, effects ER on states and their bidirectional influences remain poorly understood. In this ecological momentary assessment study, we examined dynamics between ER. We hypothesised influence each other through time. Specifically, short-term cycles state reappraisal, anxiety rumination, avoidance suppression. also tested how trait is related...

10.1080/02699931.2022.2081534 article EN cc-by Cognition & Emotion 2022-06-08

Research suggests that both childhood experiences with one's parents and individual differences in effortful control contribute to adult emotion regulation (ER). However, it is unclear how they associate specific ER processes. In this study, we examined the roles of recalled parenting daily selection implementation. Using ecological momentary assessment (EMA), focused on strategies reappraisal, suppression, rumination. We hypothesized parental warmth, rejection, overcontrol predict...

10.1080/02699931.2023.2209711 article EN cc-by Cognition & Emotion 2023-05-10

People's attachment orientation contributes to their emotional experiences. However, the associations between and emotion dynamic features have remained unclear. In this preregistered study, we tested of with baseline level, variability, inertia, differentiation emotions using two ecological momentary assessment adult samples (N=122; N=127). Attachment anxiety predicted a higher level negative in both lower positive one sample. avoidance samples. After covarying no were detected...

10.1016/j.jrp.2023.104398 article EN cc-by Journal of Research in Personality 2023-06-20

The quality of parenting shapes the development children’s emotion regulation. However, relative importance in different developmental stages, indicative sensitive periods, has rarely been studied. Therefore, we formulated four hypothetical timing models to test stage-specific effects mothering and fathering terms parental autonomy intimacy infancy, middle childhood, late adolescence on adolescents’ regulation included reappraisal, suppression, rumination. We hypothesized that both each...

10.3389/fpsyg.2021.582770 article EN cc-by Frontiers in Psychology 2021-06-04

Attachment research has traditionally focused on traits, enhancing our understanding of attachment-related individual differences. However, to chart the dynamic properties attachment system, more is needed within-person fluctuation states. In this ecological momentary assessment (EMA) study, we examined (a) associations between baseline, variability, and inertia each state dimension (security, avoidance, anxiety) (b) how trait (anxiety avoidance) predicts these features.

10.1111/jopy.12975 article EN cc-by Journal of Personality 2024-10-17

Optimal sleep quality fosters adolescents' wellbeing and, therefore, learning about its developmental determinants is essential. We examined how early family environment (i.e., parent-reported parenting, marital relationship quality, and mothers' mental health), obstetric factors infertility history assisted reproductive treatments, pre- perinatal complications health risks), children's emotion regulation in middle childhood predicted quality. also tested the mediating role of linking to...

10.1016/j.appdev.2022.101420 article EN cc-by Journal of Applied Developmental Psychology 2022-05-01

Research suggests that adverse childhood experiences (ACEs) can have life-long consequences on emotional functioning. However, it is unclear how ACEs shape the dynamic features of everyday emotions. In current preregistered study with two adult ecological momentary assessment samples (Ns = 122 and 121), we examined linear curvilinear associations daily emotion features. We expected to show a higher baseline level, variability, inertia negative emotions, as well lower level positive Moreover,...

10.1080/02699931.2024.2434153 article EN cc-by Cognition & Emotion 2024-12-06
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