The CyberPsychology, Behavior and Social Networking (Mary Ann Libert, Inc.) is a monthly peer-reviewed journal that focuses on many aspects of online behaviour.
Dr. Kimberly Young is an expert on Internet addiction. Her website – Net Addiction hosts a number of interesting papers and suggested readings. The Home page has a link to her TED Talk – ‘A Growing Epidemic’.
Dr. Mark Griffiths is the director of the International Gaming Research Unit in Nottingham Trent University and has published widely in the area of behavioural addiction. You can read his articles on The Conversation here:
Dr. Amy Orben’s list of publications includes research into social media, technology panics, social media and teenagers, and psychological well-being amongst others.