Rufus Tony Spann, Ph.D., L.C.P.C., L.P.C. Mental Health / Holistic Health Dr. Rufus Tony Spann is a nationally certified school psychologist, licensed professional counselor, yoga teacher and reiki ...
While working at the Salk Institute for Biological Studies in La Jolla, Calif., the late cognitive neuroscientist Ursula Bellugi discovered that, much like spoken language, sign language was made up ...
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