Our research group investigates relationships between cognitive, socioemotional functions and endogenous sex steroids as well as synthetic substitutes of sex steroids (hormonal contraceptives). We focus on the evaluation of psychophysiological and behavioral parameters. We measure electrical brain activity (EEG, ERP), electrical activity of facial muscles (EMG), cardiovascular activity (ECG, HRV), and eye movements while participants perform tasks related to cognitive functions (mental rotation, verbal functions, etc.), emotions recognition and empathy, functional brain lateralization etc. Saliva serves as the source for determination of the sex steroids using ELISA method.



Methods and equipment:

• EEG recording - 64 channels ASA Lab system;
• EEG analysis – Matlab, EEGLab, Ragu, sLORETA;
• Other physiological measurements - PowerLab data acquisition hardware and LabChart software;
• Stimuli presentation - E-Prime software;
• Quantitative sex steroid hormones (estradiol, progesterone, testosterone) determination in saliva - ELISA assay.


Group members


    Ramune G 

    Group leader

    PhD, Assoc. Prof. Ramunė Grikšienė




    PhD sudent

    Rasa Mončiunskaitė



     rimante nuot

    PhD sudent

     Rimantė Gaižauskaitė



    PhD sudent

    Ingrida Zelionkaitė


    karolina j

    MSc student

    Karolina Jakštaitė



    MSc student

    Aurelija Putramentaitė



    indre p

    MSc student

    Indrė Pretkelytė



    MSc student

    Karolina Čižaitė


    BSc student

    Mykolas Gudaitis


    BSc student

    Livija Šarauskytė





2019 m. Graduates- Ernestas Švedas ir Rimantė Gaižauskaitė

 2019 m. absolventai

2017 m. Graduates: Dorita Bimbirytė, Ieva Lukštatitė, Julijus Motiejūnas, Benedikta Lataitytė

19073235 10211976731686043 1373878982 o




Ramune Griksiene

tel. +370 5 2398218

E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


Thomas Koenig, Associate Proffesor at the Medical Faculty of the University of Bern



R. Griksiene, A. Arnatkeviciute, R. Monciunskaite, T. Koenig, O. Ruksenas (2019) Mental rotation of sequentially presented 3D figures: sex and sex hormones related differences in behavioural and ERP measures. // Scientific Reports, 10.1038/s41598-019-55433-y, www.nature.com/articles/s41598-019-55433-y.

R. Monciunskaite, L. Malden, I. Lukstaite, O. Ruksenas, R. Griksiene (2019) Do oral contraceptives modulate an ERP response to affective pictures? // Biological Psychology, 148, 107767, doi.org/10.1016/j.biopsycho.2019.107767.

R. Griksiene, R. Monciunskaite, A. Arnatkeviciute, O. Ruksenas (2018) Does the use of hormonal contraceptives affect the mental rotation performance? // Hormones and behavior, 100, 29–38

I. Griskova-Bulanova, R. Griksiene, A. Voicikas, O. Ruksenas (2016) Go and NoGo:  modulation of electrophysiological correlates by female sex steroid hormones. // Psychopharmacology, 1-9. DOI 10.1007/s00213-016-4311-0.

D. Noreika, I. Griskova-Bulanova, A. Alaburda, M. Baranauskas, R. Griksiene (2014) Progesterone and mental rotation task: is there any effect? BioMed Research International, Volume 2014, Article ID 741758, 9 pages.

I. Griskova-Bulanova, R. Griksiene, M. Korostenskaja, O. Ruksenas (2014) 40Hz auditory steady-state response in females: when is it better to entrain? Acta Neurobiologiae Experimentalis, 74(1):91-7.

Zakevicius M., Liesiene V., Griksiene R., Masaitiene R., Ruksenas O. Arousals and Macrostructure of Sleep: Importance of NREM Stage 2 Reconsidered. Sleep Sci. 2013; 6 (3): 91-97.

R. Griksiene, O. Ruksenas (2011) Effects of hormonal contraceptives on mental rotation and verbal fluency. //Psychoneuroendocrinology, 36 (8), 1239-1248.

L. Maciukaitė, R. Griksiene, O. Ruksenas (2010) Estimation of affective pictures in different phases of menstrual cycle. // Psichologija (in Lithuanian), 41, 111-122

R. Griksiene, O. Ruksenas (2009) Cognitive effects of hormone based contraception in young healthy women. // Biologija, 55(3-4), 115-124.

R. Griksiene, O. Ruksenas (2003) Reaction of cardiovascular system to stressors during different phases of menstrual cycle. Laboratory medicine (in Lithuanian), 2 (18), 17-23.