Smyrnis N, Kattoulas E, Evdokimidis I, Stefanis NC, Avramopoulos D, Pantes G, Theleritis C, Stefanis CN. Active eye fixation performance in 940 young men: effects of IQ, schizotypy, anxiety and depression. Experimental brain research. 2004;156:1–10.

Smyrnis N, Malogiannis IA, Evdokimidis I, Stefanis NC, Theleritis C, Vaidakis A, Theodoropoulou S, Stefanis CN. Attentional facilitation of response is impaired for antisaccades but not for saccades in patients with schizophrenia: implications for cortical dysfunction. Experimental brain research. 2004;159:47–54.

Theleritis C, Smyrnis N, Mantas A, Evdokimidis I. The effects of increasing memory load on the directional accuracy of pointing movements to remembered targets. Experimental brain research. 2004;157:518–525.

Stefanis NC, Delespaul P, Smyrnis N, Lembesi A, Avramopoulos DA, Evdokimidis IK, Stefanis CN, Van Os J. Is the excess risk of psychosis-like experiences in urban areas attributable to altered cognitive development?. Social Psychiatry and Psychiatric Epidemiology. 2004;39:364–368.

Stefanis NC, Van Os J, Avramopoulos D, Smyrnis N, Evdokimidis I, Hantoumi I, Stefanis CN. Variation in catechol-o-methyltransferase val158 met genotype associated with schizotypy but not cognition: a population study in 543 young men. Biological psychiatry. 2004;56:510–515.

Stefanis NC, Smyrnis N, Avramopoulos D, Evdokimidis I, Ntzoufras I, Stefanis CN. Factorial composition of self-rated schizotypal traits among young males undergoing military training. Schizophrenia Bulletin. 2004;30:335–350.