Stare-in-the-crowd effect evolved from a necessity for fast and accurate gaze perception for complex social interactions (Emery 2000). According to this model, an eye direction detector (EDD) mechanism - a neurocognitive system responsible for the rapid detection of eyes in the environment and their gaze direction – arose as a function of the geometry created by a dark circular iris relative to the white sclera (Baron-Cohen 1994). Specifically, it is contended that the increased ratio of exposed sclera in the eye outline of humans serves to enhance the velocity and acuity of gaze direction perception (Kobayashi and Kohshima 2001). Baron-Cohen, S. (1994)
His Eye Is on the Sparrow soundtrack although admitting "Houston sounds as commanding as one can expect from a later recording." "Entertainment Weekly" editor Melissa Maerz called it "a gorgeously rippling solo" with Houston "testif[ying ...] that Jesus is watching over her." Jody Rosen of "Rolling Stone" panned the cover, saying "Houston sings – and croaks – in a voice octaves lower than in her prime. At times the song has a ravaged magnificence, but mostly it's painful." There are many arrangements of the hymn that have been produced since its original publication. These include: His Eye Is on the Sparrow "His Eye Is on the