Caci, HRobert, PBoyer, P. Novelty seekers and impulsive subjects are low in morningness. Eur Psychiatry 2004;19:79–84.
Chotai, JAdolfsson, R. Converging evidence suggests that monoamine neurotransmitter turnover in human adults is associated with their season of birth. Eur Arch Psychiatry Clin Neurosci 252:130–4.
Chotai, JForsgren, TNilsson, L-GAdolfsson, R. Season of birth variations in the temperament and character inventory of personality in a general population. Neuropsychobiology 2001;44:19–26.
Cloninger, CRSvrakic, DMPrybeck, TR. A psychobiological model of temperament and character. Arch Gen Psychiatry 1993;50:975–90.
Natale, VAdam, A. Season of birth modulates morningness-eveningness preference in humans. Neurosci Leyy 1999;274:139–41.
Natale, VAdam, AChotai, J. Further resultss on the association between morningness-eveningness preference and the season of birth in human adults. Neuropsychobiology 2002;46:209–14.