Helen Lazaratou

ORCID: 0000-0003-0019-3191
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About
Contact & Profiles
Research Areas
  • Child and Adolescent Psychosocial and Emotional Development
  • Mental Health Treatment and Access
  • Employment and Welfare Studies
  • Attention Deficit Hyperactivity Disorder
  • Sleep and related disorders
  • Autism Spectrum Disorder Research
  • Psychopathy, Forensic Psychiatry, Sexual Offending
  • Bullying, Victimization, and Aggression
  • Child Abuse and Trauma
  • Genetics and Neurodevelopmental Disorders
  • Migration, Health and Trauma
  • Gambling Behavior and Treatments
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Obsessive-Compulsive Spectrum Disorders
  • Schizophrenia research and treatment
  • Sleep and Wakefulness Research
  • Psychological Well-being and Life Satisfaction
  • Health disparities and outcomes
  • Adolescent and Pediatric Healthcare
  • Psychiatric care and mental health services
  • Child Development and Digital Technology
  • Psychological and Temporal Perspectives Research
  • Child Welfare and Adoption
  • Child and Adolescent Health
  • Human Health and Disease

National and Kapodistrian University of Athens
2013-2022

Eginition Hospital
1991-2021

Amsterdam UMC Location Vrije Universiteit Amsterdam
2018-2021

University Mental Health Research Institute
2006-2015

GTx (United States)
2012

Athens State University
2005-2007

Forthnet (Greece)
1999

Background Despite the increasing interest in cardiac autonomic nervous activity, normal development is not fully understood. The main aim was to determine maturation of different sympathetic‐(SNS) and parasympathetic system (PNS) activity parameters healthy patients aged 0.5 20 years. A second potential sex differences. Methods Results Five studies covering 0.5‐ 20‐year age range provided impedance‐ electrocardiography recordings from which heart rate, PNS‐parameters (eg, respiratory sinus...

10.1161/jaha.120.017405 article EN cc-by-nc-nd Journal of the American Heart Association 2021-02-02

Abstract The aim of the study was to investigate impact COVID‐19 lockdown on children's and adolescents' mental health in Greece during spring 2020. A cross‐sectional survey 1232 Greek parents conducted 35.1% reported that their psychological significantly affected. Parental unemployment, limited opportunity for tele‐work deteriorating health, increased family conflicts pre‐existing physical conditions were all associated with impact. Children adolescents may experience adverse effects due pandemic.

10.1111/chso.12605 article EN Children & Society 2022-07-14

Exposure to community violence through witnessing or being directly victimized has been associated with conduct problems in a range of studies. However, the relationship between exposure (CVE) and never studied separately healthy individuals disorder (CD). Therefore, it is not clear whether association CVE due confounding factors, because those high also tend live more violent neighborhoods, i.e. an ecological fallacy. Hence, aim present study was: (1) investigate recent current holds true...

10.3389/fnbeh.2017.00219 article EN cc-by Frontiers in Behavioral Neuroscience 2017-11-05

Abstract Less is known about the relationship between conduct disorder (CD), callous–unemotional (CU) traits, and positive negative parenting in youth compared to early childhood. We combined traditional univariate analyses with a novel machine learning classifier (Angle-based Generalized Matrix Learning Vector Quantization) classify ( N = 756; 9–18 years) into typically developing (TD) or CD groups without elevated CU traits (CD/HCU, CD/LCU, respectively) using youth- parent-reports of...

10.1017/s0954579420000279 article EN Development and Psychopathology 2020-06-23

Aim of the present study was to retrospectively assess impact a catastrophic earthquake in sample 121 survivors, 50 years after event. Mean age ± SD responders 72.2 6.1 years. The majority victims (78%) acknowledged strong overall on their lives, and almost all them had intense recollection event at its anniversary. most frequent symptom during 6 months persistent remembering or "reliving" event; women considerably more often recurrent dreams distress than did men. Women young adults time...

10.1097/nmd.0b013e31816a62c6 article EN The Journal of Nervous and Mental Disease 2008-04-01

The limited number of systematic, controlled studies that assess the safety and efficacy psychotropic medications for children reinforce hesitation reluctance parents to administer such medications. aim this study was investigate attitudes with psychiatric disorders, towards medication.A 20-item questionnaire distributed 140 during their first contact an outpatient child service. comprised questions regarding opinions, knowledge children's medication. Sociodemographic data concerning were...

10.1186/1744-859x-6-32 article EN cc-by Annals of General Psychiatry 2007-11-15

Background: At the group level, youths with conduct disorder (CD) show deficient emotion processing across various tasks compared to typically developing controls (TDC). But little is known about neuropsychological subgroups within CD population, clinical correlates of deficits [for instance, regard presence or absence DSM-5 Limited Prosocial Emotions (LPE) specifier], and associated risk factors. Methods: 542 children adolescents (317 girls) 710 TDCs (479 girls), aged 9-18 years, were...

10.3389/fpsyt.2020.585052 article EN cc-by Frontiers in Psychiatry 2020-12-22

Autonomic nervous system (ANS) functioning has long been studied in relation to antisocial behaviour, but relevant measures (heart rate, heart rate variability, pre-ejection period, respiration rate) have rarely considered together. This study investigated the relationship between these and behaviour. Using a sample of 1010 youths with (47.8%) without conduct disorder (52.2%) aged 9 18 years (659 females, 351 males, mean age = 14.2 years, SD 2.4), principal component analysis (PCA) was...

10.1016/j.jcrimjus.2018.01.004 article EN cc-by-nc-nd Journal of Criminal Justice 2018-01-19

Greek financial crisis has incurred adverse effects on the mental health of population; however existing research is constrained in adult population. Therefore, present study aims to shed light state adolescents during recession. In this context 2,150 were recruited from a random and representative sample public private schools greater Athens area. Mental problems assessed with selfreport Strengths Difficulties Questionnaire while additional questions enquired about students'...

10.22365/jpsych.2018.293.271 article EN Psychiatriki 2018-10-01

Background: Self-esteem constitutes a pivotal individual characteristic during adolescence, which is intertwined both with family processes and the development of depression. Similarly, adverse environment has been associated adolescent Aim: The present study aims to examine possible contribution adolescents' self-esteem relationship between satisfaction emergence Method: total sample consisted 1919 high schools students (mean age 16 years old). Depression was assessed depression subscale...

10.5539/jedp.v5n2p109 article EN cc-by Journal of Educational and Developmental Psychology 2015-10-14

To investigate the psychopathology of immigrants’ children and psychiatric service utilization by immigrant families, data were collected from files all 35 seen over a 3-year period at Community Mental Health Centre Athens University Psychiatric Department. Immigrant matched age, gender intake date with 70 Greek children. Data concerned information about child’s place birth, current living conditions, parents’ country origin, social economic situation, occupations educational status,...

10.1177/1363461504047930 article EN Transcultural Psychiatry 2004-12-01

Background: Aggressive behaviours are common during adolescence. In Greece, adolescents and their families experience a severe enduring recession with potentially adverse impact on mental health. Aim: This study aimed to examine the correlation between adolescents’ aggressive behaviour economic factors. Methods: The Buss–Perry Aggression Questionnaire (AQ) was used measure aggression. Reduction in pocket money three items of Household Food Insecurity Access Scale were material deprivation as...

10.1177/0020764017719737 article EN International Journal of Social Psychiatry 2017-08-14

The severity of obsessive compulsive symptoms (OCS) is suggested to be normally distributed in the general population, and they appear have an impact on a range aspects adolescent development. Importantly, there are individual differences regarding susceptibility OCS. In present repeated measures study, OCS were studied relation gender emotional stability (as personality trait) using normative sample 515 adolescents at ages 16 18 years. assessed with relevant subscale SCL-90-R Five Factor...

10.1186/s12991-017-0165-z article EN cc-by Annals of General Psychiatry 2017-11-22

<i>Background:</i> Compliance in therapy appears to be linked the process of therapeutic alliance. A positive patient–therapist relationship usually leads successful completion therapy. The aim this study was compare evidence, collected at two time periods a Community Mental Health Center Athens, on factors affecting treatment compliance. hypothesis that by modifying team’s functioning, noncompliance could reduced. <i>Methods:</i> Epidemiological data were from child...

10.1159/000090896 article EN Psychotherapy and Psychosomatics 2006-01-01
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