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Biomedical subjects

C F Lewis

Publications and source records attributed to C F Lewis.

11 recordsLinked to original sources
PubMed2000

Women accused of sexual offenses.

Few studies exist on female sexual offenders or women accused of sexual offenses. In some instances, conclusions from existing studies conflict. In an effort to better understand the phenomenon of sexual abuse by females, we gathered data on all women charged with a sexual offense referred to our facility (William S. Hall Psychiatric Institute in Columbia, South Carolina) for a criminal responsibility/competence to stand trial evaluation from 1987 to 1997. Alleged sexual offenses included criminal sexual conduct one, two, and three and performing a lewd act upon a minor. Fifteen women were referred. This study examines characteristics of the accused women and their victims. Patterns of the alleged offenses and outcome of forensic evaluation are also examined. We found women accused of committing sexual offenses to have a high likelihood of past sexual and physical victimization as well as ongoing physical victimization. Borderline intellectual function and mental retardation were common and women acted frequently with co-defendants. The victims knew the perpetrator in every instance.

Adolescent↗
PubMed2000

Successfully treating aggression in mentally ill prison inmates.

The population of prison inmates in the United States is rapidly growing; in 1994 it was estimated that 1.7 million Americans were incarcerated. Changes in the complexion of the prison population highlight the need for successful mental health interventions for special populations. Specifically, increasing numbers of women, middle aged inmates, physically ill inmates, and inmates with severe mental illness have challenged an already taxed system. Many inmates have complex pathology in which substance abuse, psychosis, affective disorders, personality disorders and medical illnesses play overlapping roles. One of the most challenging aspects of care involves management of inmates who are aggressive to themselves or others. This article discusses the approach to managing inmates with aggressive behavior and complex mental health issues. Specific diagnoses are discussed as are the general approaches best used to assess new onset violent behavior in a mentally ill prison inmate.

Adult↗
PubMed1998

Factors associated with weapon use in maternal filicide.

The objective of this study was to identify factors associated with weapon use in a group of filicidal women. Clinical data were gathered from the charts of sixty filicidal women evaluated at Michigan's Center for Forensic Psychiatry or through Connecticut's Psychiatric Security Review Board from 1970 to 1996. Factors associated with weapon use were determined using chi squares, ANCOVAS, and a logistic regression. Results were compared to national statistics for child homicide from the Department of Justice Uniform Crime Reports (UCR). Weapon was defined as knife or gun for the study. Weapons were used by one of four women in our study. Guns were used by 13% of filicidal women and knives by 12%. Odds ratio showed that psychotic women were eleven times more likely to kill their child with a weapon than their non-psychotic counterparts (11.2; p = .008). Psychosis was present in every mother who killed her child with a knife and in seven of eight women who killed their children with a gun. Younger children were less likely to be killed with weapons (ANCOVA; F = 8.28; p = .006). This finding was independent of presence or absence of maternal psychosis. These results show that psychotic women are more likely than non-psychotic women to kill their children with weapons. They also show that mothers are more likely to use weapons to kill older children than younger children.

Adolescent↗
PubMed1996

Biological predictors of suicidality in schizophrenia.

The objective of this study was to determine whether polysomnographic rapid eye movement (REM) sleep abnormalities and cortisol response to the dexamethasone suppression test (DST) differentiate between schizophrenic patients with and without a history of suicidal behaviour. We assessed a sample of 96 schizophrenic in-patients at the end of a 2-week medication-free period with the DST, polysomnography, and an extensive clinical assessment battery. Patients exhibiting suicidal behaviour were significantly more likely to have increased total REM time and increased total REM activity. We found no significant relationship between suicidal behaviour and DST non-suppression. This study confirms a previous finding suggesting an association between REM sleep abnormalities and suicidal behaviour in schizophrenia. It is postulated that this observed association may be related to serotonergic dysfunction in schizophrenia.

Adult↗
PubMed1996

ECT in genetically confirmed Huntington's disease.

The authors report successful ECT treatment of a severely depressed man with genetically confirmed Huntington's disease. He responded well to treatment and showed no abnormal movements or worsening in his cognitive status.

Aged↗
PubMed1985

Sulfur in achondritic meteorites.

Total sulfur abundances have been measured for 48 achondrites. For twenty eucrites they ranged from 370 to 3700 micrograms S/g with a median sulfur content of 1180 micrograms S/g. Sulfur abundances for howardites ranged from 1490 to 3240 micrograms S /g and had a median sulfur concentration of 2340 micrograms S/g. Diogenites' sulfur abundances ranged from 130 to 3170 micrograms S/g, with a median value of 1280 micrograms S/g. Four shergottites had a median sulfur content of 1940 micrograms S/g and ranged from 740 to 2540 micrograms S/g. Enstatite achondrites contained the greatest sulfur abundances of any achondrite group. They ranged from 2450 to 8580 micrograms S/g and had a median sulfur content of 6020 micrograms S/g and had a median sulfur content of 6020 micrograms S/g. A single Chassignite had a sulfur concentration of 360 micrograms S/g. The wide variations in sulfur concentrations for the achondrites reflect the small scale heterogeneous nature of these unique extraterrestrial materials due in large part to discrete sulfide mineral grains.

Geological Phenomena↗