What Is a Scream and Who Does It?

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There's an acoustic perimeter that's referred to as roughness. Its rapid variation and modulation of amplitude fluctuation in a particular range is characteristic of screams. Screams are high pitched, and there are often harmonics around the fundamental frequency. But screams also break into chaotic noise as well. So they're not pure tones, although some people tend to produce screams that are more tonal and frequency modulated. And others have more noisy, harsh sounding screams.

I scream, you scream, we all scream for… a brand new, screaming hot episode of Ologies. Be warned *slaps the top of this ep* you can fit so many screams in this bad boy. (Seriously though, there’s a lot of screaming in this episode, it’s probably not the one to gently fall asleep to.) What kinds of screams you ask? We got birds, foxes, caterpillars, movie stars, children, James Bond? YES. What is a scream? Is it the same as yelling? How far can you hear a scream? Why do we scream at concerts? What’s up with primal scream therapy? Join us as we hoot and holler with internationally acclaimed Emory professor of psychology Dr. Harold Gouzoules for the answers to these and so many more of your questions as we learn about the study of that most animal of vocalizations: screaming.

Dr. Gouzoules’s Emory University Bioacoustics Lab

A donation was made to American Diabetes Association