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Featured researches published by Ja Silva.


Journal of Forensic Sciences | 2000

Stalking behavior in delusional jealousy.

Ja Silva; Dv Derecho; Gregory B. Leong; Michelle M. Ferrari

Stalking behavior has been associated with several mental disorders, both psychotic and non-psychotic. The most frequently associated condition appears to be an individual with primitive personality psychopathology regardless of co-occurring psychotic symptomatology. Among the psychotic symptoms, erotomanic, and jealousy delusions may be the most clinically and torensically relevant. However, delusional jealousy has not been well appreciated in the psychiatric literature as an important contributor to stalking behavior. In this article, we explore the psychiatric, psychosocial, and forensic aspects of stalking in the context of delusional jealousy. We use a case example to highlight important issues in this area.


Journal of Forensic Sciences | 1998

Dangerous misidentification of people due to flashback phenomena in posttraumatic stress disorder

Ja Silva; Gregory B. Leong; Bruce Harry; J Ronan; Robert Weinstock

Misidentification of people may occur in a number of psychiatric disorders associated with delusional thinking. Misidentification of people may also occur in the context of visual flashback phenomena associated with post-traumatic stress disorder. People who misidentify someone during a flashback associated with previous war combat experience may perceive and conceptualize the misidentified object as an enemy who may be both feared and disliked. This might make the misidentified objects become the targets of violent attacks by the affected person. In this article we present five cases of flashback-induced misidentification of people who were subsequently attacked within the context of the flashback experience. The nature of the misidentification of persons due to flashback experiences is discussed. The association between the type of misidentification and aggression is also discussed.


Journal of Forensic Sciences | 2000

A Case of Cotard's Syndrome Associated with Self-Starvation

Ja Silva; Gregory B. Leong; Robert Weinstock; Cl Gonzales

Cotards syndrome is a psychotic condition often associated with nihilistic delusions. This syndrome can be associated with destructive behaviors directed at the self and/or others. In this report we highlight the psychiatric-legal issues involving a case of Cotards syndrome associated with self-starvation.


Journal of Forensic Sciences | 1992

Dangerousness of the Delusional Misidentification of Children

Ja Silva; Kaushal K. Sharma; Gregory B. Leong; Robert Weinstock

Misidentification syndromes have been studied from a variety of perspectives, including phenomenological, biological, and nosological approaches. More recently, misidentification syndromes have been studied from a psychiatric-legal perspective, especially with regards to the problem of dangerousness. Capgras syndrome and other syndromes of misidentification can lead to hostile mood and subsequent physical violence. Little attention has so far been devoted to children as the objects of the psychotic persons misidentification delusion(s). We provide a review of cases from the anglophonic literature that have children as the misidentified objects, add three new cases, and then discuss the relationship between misidentification and potential harm to these children.


Journal of Forensic Sciences | 1991

Misdentified Political Figures: An Underappreciated Danger

Ja Silva; Gregory B. Leong; Robert Weinstock; Mm Ferrari

A series of twelve patients is presented in which each patient suffered from one or more misidentification syndromes and also misidentified one or more political figures. The fact that misidentification syndromes have been associated with physical violence and that the majority of the patients studied had a history of physical violence suggests that these individuals could pose a significant danger of physical harm to others, including political figures. Persons who threaten political figures should be evaluated for misidentification syndromes.


The Canadian Journal of Psychiatry | 1989

Factitious AIDS in a psychiatric inpatient.

Ja Silva; Gregory B. Leong; Robert Weinstock; David J. Ready

This article reports the case of a 28 year-old female presenting to a psychiatric inpatient unit with depression and a history of acquired immune deficiency syndrome (AIDS). Although medical assessment was negative for AIDS, psychiatric evaluation and psychological testing were consistent with a presentation of factitious disorder. This case illustrates the need to be on the alert for individuals admitted to psychiatric units who report they have AIDS or its related conditions.


Journal of Forensic Sciences | 2001

Delusional Misidentification and Aggression in Alzheimer's Disease

Ja Silva; Gregory B. Leong; Robert Weinstock; Ruiz-Sweeney M

Alzheimers disease has been associated with serious behavioral disturbances including aggressive behaviors and agitation. Aggression in dementia of the Alzheimers type may be associated with psychotic symptoms, particularly delusional misidentification phenomena. These phenomena are complex and varied in Alzheimers disease and so far have been only rudimentarily described. In this paper, we explore the association of delusional misidentification and aggression in an individual suffering from Alzheimers disease.


The Canadian Journal of Psychiatry | 1991

DELUSION OF FETAL DUPLICATION IN A CAPGRAS PATIENT

Ja Silva; Gregory B. Leong; M. Longhitano; T. E. Botello

A case of Capgras syndrome in a pregnant patient is described. In addition to perceiving living family members as impostors, she believed that there was a double or twin of her fetus. She conceptualized her “twins” differently than the way she viewed doubles of family members. Her fetus may represent the youngest “person” to have been duplicated. The relationship of Capgras syndrome to misidentification phenomena is discussed.


Journal of Forensic Sciences | 1991

The Tarasoff dilemma in criminal court.

Gregory B. Leong; Spencer Eth; Ja Silva


The Canadian Journal of Psychiatry | 1994

Co-Existence of Misidentification, Pseudocyesis and Erotomanic Delusions

Ja Silva; Gregory B. Leong; Ferrari Mm

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Bruce Harry

University of Missouri

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Cl Gonzales

University of Texas Health Science Center at San Antonio

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Kaushal K. Sharma

University of Southern California

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M. Longhitano

University of Southern California

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Mm Ferrari

University of Southern California

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Ruiz-Sweeney M

University of Texas Health Science Center at San Antonio

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