1. New perspectives on the definition of pain;Anand;Pain,1996
2. Pain perception in relation to emotional learning;Apkarian;Current Opinion in Neurobiology,2008
3. Human brain mechanisms of pain perception and regulation in health and disease;Apkarian;European Journal of Pain,2005
4. Monitoring blood oxygenation changes due to acute pain stimuli using functional near-infrared spectroscopy (fNIRS);Azar;Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine & Biology Society,2009
5. Bartocci, M. (2006). Brain functional near infrared spectroscopy in human infants. Doctoral thesis, Karolinska Institutet.