Forensic Medicine And Psychology
Forensic medicine is one of the largest and most important areas of forensic science. Also called legal medicine or medical JURISPRUDENCE, it applies medical knowledge to criminal and CIVIL LAW. Areas of medicine that are commonly involved in forensic medicine are anatomy, pathology, and psychiatry.
Many law enforcement agencies employ a forensic pathologist, sometimes called a medical examiner, who determines the causes of sudden or unexpected death. Forensic toxicologists, who study the presence of poisons or drugs in the deceased, often help forensic pathologists. Forensic odontologists, or dentists, analyze dental evidence to identify human remains and the origin of bite marks.
Forensic medicine is often used in civil cases. The cause of death or injury is considered in settling insurance claims or MEDICAL MALPRACTICE suits, and blood tests often contribute to a court's decision in cases attempting to determine the PATERNITY of a child.
Mental health and psychology professionals have contributed a great deal to the legal understanding of issues such as the reliability of EYEWITNESS testimony, responsibility for criminal behavior, and the process of decision making in juries. These professionals include those with a medical degree, such as psychiatrists, neurologists, and neuropsychologists, as well as individuals without a medical degree, such as psychologists.
Mental health professionals are frequently consulted in civil and criminal cases to help determine an individual's state of mind with regard to a crime, the validity of testimony before a court, or an individual's competence to stand trial or make a legal decision. Their input may also be vital to legal procedures for deciding whether to commit a person to an institution because of mental illness, or to allow a person to leave an institution for those who are mentally ill.
Forensic neuropsychology is a specialized area of forensic medicine that applies the functioning of the nervous system and brain to legal issues involving mind and behavior. Equipped with an improved understanding of how the brain works and influences behavior, neuropsychologists have increasingly been asked to provide testimony to courts attempting to determine whether a criminal act is a result of a nervous system dysfunction. They also testify as to the reliability of witness testimony given by VICTIMS OF CRIME, the competency of individuals to stand trial, the likelihood that a condition of mental retardation or brain injury predisposed an individual to commit a crime, the possibility that an individual has verifiable memory loss, and various aspects of dementias and other brain disorders caused by AIDS, head injuries, and drugs, alcohol, and other chemicals.
In civil cases, the work of neuropsychologists has been used to determine whether a defendant's wrongdoing caused a plaintiff's injury. In family courts, neuropsychologists assess brain damage in children who have been physically abused.
Forensic psychologists provide expert testimony that touches on many of the same areas as that given by forensic psychiatrists and neuropsychologists. In addition, psychologists consult with the legal system on issues such as correctional procedures and crime prevention. In 1962, a U.S. court of appeals issued an influential decision that established the ability of a psychologist to testify as an expert witness in a federal court of law (Jenkins v. United States, 113 U.S. App. D.C. 300, 307 F.2d 637 [D.C. Cir. 1962]). Before that time, expert testimony on mental health was largely restricted to physicians.
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