Dr Lucy Foulkes | Psychologist on Instagram: "In adolescence, more than any other time of life, what your peers think about you really REALLY matters. In this video, I explain the psychology behind this “social reorientation” Sound familiar? Key reference: Nelson, E. E., Jarcho, J. M., & Guyer, A. E. (2016). Social re-orientation and brain development: An expanded and updated view. Developmental Cognitive Neuroscience, 17, 118-127"