The Separation Call Hypothesis

This is what's known as the separation call hypothesis. This is another evolutionary explanation for emotional chills. And this one goes back to somebody i mentioned early in the episode, the estonian nero scientist, ja pansep. He argues that the separation calls of lost young animals used to inform parents about the whereabouts of their offspring. These calls might have induced internal feelings of coldness and chills enhance the motivation for social reunion. A preserved responsivity to certain acoustical features, e g, sustained high frequency notes, may represent an unconditional component of the chill response. It thus relates pilo erection to sensations of colds and sadness.