Watching Pornographic Pictures on the Internet: Role of Sexual Arousal Ratings and Psychological-Psychiatric Symptoms for Using Internet Sex Sites Excessively. - Matthias Brand; Christian Laier; Mirko Pawlikowski; Ulrich Schächtle; Tobias Schöler; Christine Altstötter-Gleich (Cyberpsychology Behav. Soc. Netw., 2011)

Cybersex Addiction in Heterosexual Female Users of Internet Pornography Can Be Explained by Gratification Hypothesis. - Christian Laier; Jaro Pekal; Matthias Brand (Cyberpsychology Behav. Soc. Netw., 2014)

Sexual Excitability and Dysfunctional Coping Determine Cybersex Addiction in Homosexual Males. - Christian Laier; Jaro Pekal; Matthias Brand (Cyberpsychology Behav. Soc. Netw., 2015)

Ventral striatum activity when watching preferred pornographic pictures is correlated with symptoms of Internet pornography addiction. - Matthias Brand; Jan Snagowski; Christian Laier; Stefan Maderwald (NeuroImage, 2016)