Psychophysiological measures of human cognitive states applied in human computer interaction. - Ahmet Cengizhan Dirican; Mehmet Göktürk (WCIT, 2011)

Involuntary postural responses of users as input to Attentive Computing Systems: An investigation on head movements. - Ahmet Cengizhan Dirican; Mehmet Göktürk (Comput. Hum. Behav., 2012)

Dikkatli bilişim sistemlerinde istem dışı baş hareketleriyle bilişsel durum değerlendirilmesi (Cognitive state assessment using involuntary head movements in attentive computing systems) - Ahmet Cengizhan Dirican (2012)

A marker detection method using hysteresis thresholding for human posture tracking: a head tracking system. - Ahmet Cengizhan Dirican (PETRA, 2014)