I. Ondrejka

I. Tonhajzerova, I. Ondrejka, Z. Visnovcova, 2022, International journal of psychophysiology : official journal of the International Organization of Psychophysiology.

Antitussive activity of Withania somnifera and opioid receptors.

I. Ondrejka, B. Ray, G. Nosáľová, 2015, Advances in experimental medicine and biology.

Review of a New Multimodal Antidepressant Vortioxetine

I. Ondrejka, G. Nosáľová, M. Oppa, 2016 .

Acute phase of depression treatment - current research and its perspectives on Jessenius Faculty of Medicine

I. Ondrejka, T. Kulhan, G. Nosáľová, 2016 .

Evaluation of Inflammatory Response System (IRS) and Compensatory Immune Response System (CIRS) in Adolescent Major Depression

I. Tonhajzerova, I. Ondrejka, Z. Visnovcova, 2022, Journal of inflammation research.

Blood Cell Counts and Blood Cell Ratios as Non-Specific Major Depressive Disorder Biomarkers

I. Tonhajzerova, I. Ondrejka, M. Krivosova, 2019, Acta Medica Martiniana.

Spiritualita pacientov s psychickou poruchou

I. Ondrejka, K. Žiaková, I. Farský, 2009 .

Simultaneous determination of fluoxetine, venlafaxine, vortioxetine and their active metabolites in human plasma by LC-MS/MS using one-step sample preparation procedure.

I. Tonhajzerova, I. Ondrejka, M. Krivosova, 2020, Journal of pharmaceutical and biomedical analysis.

Therapeutic Drug Monitoring of Venlafaxine and Impact of Age, Gender, BMI, and Diagnosis

I. Tonhajzerova, I. Ondrejka, M. Grendár, 2020 .

Analysis of genetic polymorphisms of brain-derived neurotrophic factor and methylenetetrahydrofolate reductase in depressed patients in a Slovak (Caucasian) population.

I. Ondrejka, J. Lehotský, A. Evinova, 2012, General physiology and biophysics.

Association of EGF, IGFBP-3 and TP53 Gene Polymorphisms with Major Depressive Disorder in Slovak Population.

I. Ondrejka, J. Lehotský, S. Mahmood, 2016, Central European journal of public health.

Cardiac Vagal Control in Depression and Attention Deficit/Hyperactivity Disorder

M. Javorka, I. Tonhajzerova, K. Javorka, 2011 .

Symbolic dynamics of heart rate variability - a promising tool to investigate cardiac sympathovagal control in attention deficit/hyperactivity disorder (ADHD)?

Ingrid Tonhajzerova, Zuzana Visnovcova, Michal Mestanik, 2016, Canadian journal of physiology and pharmacology.

Attention deficit/hyperactivity disorder (ADHD) is associated with altered heart rate asymmetry.

M Javorka, M. Javorka, I. Tonhajzerova, 2014, Physiological research.

Metabolic risk in selected second-generation antipsychotics.

I. Ondrejka, G. Nosáľová, V. Kerná, 2010, Bratislavske lekarske listy.

The Effect of Methylphenidate on Neurological Soft Signs in ADHD

I. Tonhajzerova, I. Ondrejka, I. Farský, 2015, Psychiatry investigation.

Arterial stiffness and haemodynamic regulation in adolescent anorexia nervosa vs. obesity.

I. Tonhajzerova, I. Ondrejka, M. Grendár, 2019, Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme.

Complex cardiac vagal regulation to mental and physiological stress in adolescent major depression.

I. Tonhajzerova, I. Ondrejka, Z. Visnovcova, 2019, Journal of affective disorders.

Autism spectrum disorder is associated with autonomic underarousal.

I. Tonhajzerova, I. Ondrejka, A. Calkovska, 2016, Physiological research.

The Plasma Levels of 3-Hydroxybutyrate, Dityrosine, and Other Markers of Oxidative Stress and Energy Metabolism in Major Depressive Disorder

I. Tonhajzerova, I. Ondrejka, Z. Visnovcova, 2022, Diagnostics.

Prefrontal grey and white matter neurometabolite changes after atomoxetine and methylphenidate in children with attention deficit/hyperactivity disorder: A 1H magnetic resonance spectroscopy study

I. Ondrejka, D. Dobrota, V. Husarova, 2014, Psychiatry Research: Neuroimaging.

Plasma Oxytocin in Children with Autism and Its Correlations with Behavioral Parameters in Children and Parents

I. Ondrejka, D. Ostatníková, J. Bakos, 2016, Psychiatry investigation.

Association of Sleep Architecture and Physiology with Depressive Disorder and Antidepressants Treatment

I. Tonhajzerova, I. Ondrejka, M. Krivosova, 2021, International journal of molecular sciences.

Electrodermal Activity in Adolescent Depression.

I. Tonhajzerova, I. Ondrejka, I. Hrtanek, 2016, Advances in experimental medicine and biology.

Anxiety reduction on atomoxetine and methylphenidate medication in children with ADHD

I. Ondrejka, I. Hrtanek, T. Kulhan, 2016, Pediatrics international : official journal of the Japan Pediatric Society.

Alternations in the Cardiovascular Autonomic Regulation and Growth Factors in Autism.

I. Tonhajzerova, I. Ondrejka, M. Grendár, 2021, Physiological research.

The Impact of Life Events on Mental Health of Pupils from Selected Primary Schools in the Žilina Region

I. Ondrejka, Petra Dankovičová, Želmíra Fetisovová, 2014 .

Changes in the cardiac autonomic regulation in children with attention deficit hyperactivity disorder (ADHD).

M. Javorka, Z. Trunkvalterova, I. Tonhajzerova, 2009, The Indian journal of medical research.

Respiratory sinus arrhythmia is reduced in adolescent major depressive disorder

M. Javorka, I. Tonhajzerova, K. Javorka, 2009, European journal of medical research.

QTc prolongation after ADHD medication.

I. Ondrejka, I. Farský, I. Hrtanek, 2018, Neuro endocrinology letters.

A prospective observational study of attention-deficit/hyperactivity disorder in Central and Eastern Europe and Turkey: Symptom severity and treatment options in a paediatric population

I. Ondrejka, T. Treuer, F. Martényi, 2010, International journal of psychiatry in clinical practice.

Pupillary Light Reflex in Children with ADHD

I. Tonhajzerova, I. Ondrejka, N. Sekaninova, 2019, Acta Medica Martiniana.

Pupillary light reflex is altered in adolescent depression.

I. Tonhajzerova, I. Ondrejka, A. Calkovska, 2017, Physiological research.

Dementia Still Diagnosed Too Late — Data from the Czech Republic

I. Ondrejka, I. Holmerová, J. Lužný, 2014, Iranian journal of public health.

Atomoxetine and Methylphenidate Treatment in ADHD

I. Ondrejka, I. Hrtanek, T. Kulhan, 2015 .

Spectral and Nonlinear Analysis of Electrodermal Activity in Adolescent Anorexia Nervosa

Ingrid Tonhajzerova, Zuzana Visnovcova, I. Tonhajzerova, 2020, Applied Sciences.

Pycnogenol supplementation as an adjunct treatment for antidepressant-induced sexual dysfunction.

I. Tonhajzerova, I. Ondrejka, I. Farský, 2019, Physiology international.

The impact of external stress factors on hippocampus volume during antidepressant treatment

I. Tonhajzerova, I. Ondrejka, D. Dobrota, 2021 .

Central autonomic regulation assessed by pupillary light reflex is impaired in children with attention deficit hyperactivity disorder.

I. Tonhajzerova, I. Ondrejka, Z. Visnovcova, 2021, Physiological research.

The VEGF protein levels, miR-101-3p, and miR-122-5p are dysregulated in plasma from adolescents with major depression.

I. Tonhajzerova, I. Ondrejka, B. Elfving, 2023, Journal of affective disorders.

Atomoxetine in the Treatment of the Most Common Comorbid Disorders of Attention-Deficit/Hyperactivity Disorder, Oppositional Defiant Disorder and Anxiety Disorders

I. Ondrejka, T. Kulhan, E. Šnircová, 2012 .

Anxiolytic effects of venlafaxine/olanzapine combination in treatment of anxious depression.

I. Ondrejka, I. Farský, T. Kulhan, 2018, Neuro endocrinology letters.

Hippocampal neurometabolite changes in depression treatment: A 1H magnetic resonance spectroscopy study

I. Ondrejka, D. Dobrota, V. Husarova, 2012, Psychiatry Research: Neuroimaging.

Peripheral Inflammatory Markers in Autism Spectrum Disorder and Attention Deficit/Hyperactivity Disorder at Adolescent Age

I. Tonhajzerova, I. Ondrejka, Z. Visnovcova, 2023, International journal of molecular sciences.

Analysis of genetic polymorphisms of brain-derived neurotrophic factor and methylenetetrahydrofolate reductase in depressed patients in a Slovak (Caucasian) population.

I. Ondrejka, J. Lehotský, A. Evinova, 2012, General physiology and biophysics.

Cardiac autonomic regulation is impaired in girls with major depression

M. Javorka, I. Tonhajzerova, K. Javorka, 2010, Progress in Neuro-Psychopharmacology and Biological Psychiatry.

Effect of Acute Ketamine Treatment on Sympathetic Regulation Indexed by Electrodermal Activity in Adolescent Major Depression

I. Tonhajzerova, I. Ondrejka, I. Farský, 2024, Pharmaceuticals.

Mechanisms Involved in the Link between Depression, Antidepressant Treatment, and Associated Weight Change

I. Tonhajzerova, I. Ondrejka, Z. Visnovcova, 2024, International journal of molecular sciences.

Personality changes during antidepressant treatment.

I. Ondrejka, M. Preiss, R. Hrubý, 2009, Psychiatria Danubina.

Effects of Vortioxetine on Sleep Architecture of Adolescents with Major Depressive Disorder

I. Tonhajzerova, I. Ondrejka, Z. Visnovcova, 2023, Clocks & sleep.

Cardiac Autonomic Balance Is Altered during the Acute Stress Response in Adolescent Major Depression—Effect of Sex

I. Tonhajzerova, I. Ondrejka, I. Farský, 2023, Life.

Capillaroscopy and Endopat – Helpful Methods for the Early Assessment of Increased Cardiovascular Risk in Anorexia Nervosa?

I. Tonhajzerova, I. Ondrejka, Z. Visnovcova, 2023, Acta Medica Martiniana.