WHAT:   “Homelessness & the Brain” sessions @ p:ear WHERE:   p:ear, 338 NW 6th, Portland, OR 97209;  http://pearmentor.org WHEN: Tuesday, June 20 and Tuesday, June 27;  10am - noon UPDATE:  See what we did @ p:ear! NW Noggin is partnering with p:ear to welcome area graduates and undergraduates studying anxiety, depression, resilience,…