Article 1: “A time of change: Behavioral and neural correlates of adolescent sensitivity to appetitive and aversive environmental cues”. Leah H. Somerville et al. Sackler Institute for Developmental Psychobiology, Weill Cornell Medical College, New York, NY, USA . http://0-www.sciencedirect.com.lib.aucegypt.edu/science?_ob=ArticleURL&_udi=B6WBY-4X1R31Y-1&_user=2591153&_coverDate=08%2F19%2F2009&_alid=1093969358&_rdoc=5&_fmt=high&_orig=search&_cdi=6723&_sort=r&_st=4&_docanchor=&_ct=38286&_acct=C000057900&_version=1&_urlVersion=0&_userid=2591153&md5=b9f097b1a3f0692a72f5b1e68b7bda4f.
Article 2: “Increased orbitofrontal cortex levels of choline in depressed adolescents as detected by in vivo proton magnetic resonance spectroscopy”. Ronald J. Steingard et al. http://0-www.sciencedirect.com.lib.aucegypt.edu/science?_ob=ArticleURL&_udi=B6T4S-41S51X6-3&_user=2591153&_coverDate=12%2F01%2F2000&_alid=1093969358&_rdoc=103&_fmt=high&_orig=search&_cdi=4982&_st=4&_docanchor=&view=c&_ct=38286&_acct=C000057900&_version=1&_urlVersion=0&_userid=2591153&md5=558aaf9da196b6b96c7073a8f321eef8.
