1. A rating scale for emotional blunting;Abrams;Am. J. Psychiatr.,1979
2. Encoding of feelings in voice;Alpert,1982
3. Differentiating depression from flat affect through vocal acoustics;Alpert,1987
4. Imagery mediation of vocal emphasis in flat effect;Alpert;Arch. Gen. Psychiatr.,1977
5. Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1980