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Quantitative craniofacial anomalies in a racially mixed schizophrenia sample
Anne-Marie Donovan-Lepore1, Judith Jaeger, Pál Czobor
1Center for Neuropsychiatric Outcome and Rehabilitation Research, The Zucker Hillside Hospital, North Shore Long Island Jewish Health System, Glen Oaks, New York 11004, USA.
Biological Psychiatry
|September 6, 2005
Summary
Schizophrenia is linked to distinct craniofacial anomalies, including wider skull bases and taller lower lips, in both Caucasian and African American individuals. These quantitative findings support theories of disrupted prenatal development in schizophrenia patients.
Area of Science:
- Medical research
- Anthropometry
- Psychiatry
Background:
- Schizophrenia has been anecdotally linked to craniofacial anomalies since the early 1900s.
- Previous studies relied on subjective ratings and primarily focused on Caucasian populations.
- A hypothesis suggests these anomalies stem from disrupted prenatal development affecting both the brain and facial structures.
Purpose of the Study:
- To investigate the association between schizophrenia and craniofacial anomalies.
- To utilize quantitative physical measurements for a more objective assessment.
- To include both Caucasian and African American subjects in the study.
Main Methods:
- 32 Caucasian and 20 African American outpatients diagnosed with schizophrenia or schizoaffective disorder were recruited.
- Healthy controls were matched for gender, race, and age.
- 32 specific craniofacial measurements were taken using validated methods.
Main Results:
- Patients with schizophrenia exhibited significantly wider skull bases compared to controls.
- A statistically significant finding of greater cutaneous lower lip height was observed in patients.
- These results remained consistent after correcting for body weight differences and applying multiplicity correction.
Conclusions:
- The quantitative findings align with previous major anthropometric studies on schizophrenia.
- This study provides objective evidence supporting the link between schizophrenia and specific craniofacial anomalies.
- The results reinforce the hypothesis of prenatal developmental disruptions in schizophrenia etiology.