Related Experiment Videos
Unexpected changes in urinary catecholamines and vanillylmandelic acid following rape assault
1Department of Pathology, New Jersey Medical School, University of Medicine and Dentistry of New Jersey, Newark 07103-2757.
Hormones and Behavior
|March 1, 1990
Summary
Rape survivors show unique biochemical changes, including increased urinary conjugated dopamine and decreased free epinephrine. These findings differ from expected stress responses and may explain post-assault syndromes.
Area of Science:
- Forensic Biochemistry
- Neuroendocrinology
Background:
- Psychological trauma in rape survivors is well-documented.
- Biochemical changes in rape victims remain largely uninvestigated.
Purpose of the Study:
- To compare urinary catecholamine and metabolite excretion patterns in rape victims versus control groups.
- To identify potential biochemical markers associated with the acute stress of rape.
Main Methods:
- Analysis of urinary catecholamines and metabolites in 17 rape victims.
- Comparison with two female control groups (normal sexual intercourse and no sexual activity).
Main Results:
- Rape victims exhibited significantly increased urinary conjugated dopamine levels.
- Urinary vanillylmandelic acid (VMA) levels were elevated compared to normal controls but lower than in women who had normal sexual intercourse.
- Urinary free epinephrine levels significantly decreased and remained depressed for over 24 hours in rape victims.
Conclusions:
- Rape assault induces distinct urinary catecholamine and metabolite excretion profiles.
- The observed biochemical changes, particularly enhanced dopamine and reduced epinephrine, differ from typical severe stress responses.
- These biochemical alterations may contribute to the post-stress syndrome experienced by survivors.