ABPN Forensic Psychiatry key terms
ABPN Forensic Psychiatry · Get comfortable with the vocabulary.
- Daubert standard
- Related: Frye standard, Expert witness qualification, Ultimate issue testimony
A legal test for admitting expert testimony that asks whether the theory or technique is testable, has been peer reviewed, has a known error rate, and is generally accepted in its field.
- Frye standard
- Related: Daubert standard, Expert witness qualification
An older admissibility rule holding that expert scientific testimony must rest on principles sufficiently established to have gained general acceptance in the relevant scientific community.
- Ultimate issue testimony
- Related: Daubert standard, Insanity defense, Competency to stand trial
Opinion evidence that speaks directly to the legal question the court or jury must decide, such as whether a defendant was legally insane or competent.
- Expert witness qualification
- Related: Daubert standard, Forensic report writing
The voir dire process by which a court decides whether a witness has sufficient knowledge, skill, training, or experience to offer opinion testimony beyond that of an ordinary person.
- Malingering
- Related: Feigning, Competency to stand trial, Secondary gain
The intentional production or exaggeration of physical or psychological symptoms motivated by external incentives such as avoiding legal responsibility, obtaining compensation, or securing drugs.
- Feigning
- Related: Malingering, Symptom validity testing
Deliberate fabrication or exaggeration of symptoms, a broader descriptive term than malingering that does not by itself assert a specific external motivation.
- Symptom validity testing
- Related: Malingering, Feigning
Use of forced-choice or embedded measures to detect exaggerated or fabricated cognitive and psychiatric symptoms during forensic evaluation.
- Competency to stand trial
- Related: Dusky standard, Restoration to competency, Ultimate issue testimony
A defendant's present ability to understand the nature of the proceedings and to assist counsel in a rational and factual manner, as described in Dusky v. United States.
- Dusky standard
- Related: Competency to stand trial, Restoration to competency
The constitutional test requiring that a defendant have sufficient present ability to consult with counsel with a reasonable degree of rational understanding and a rational and factual understanding of the proceedings.
- Restoration to competency
- Related: Competency to stand trial, Involuntary medication for competency
Treatment, usually including medication and education, intended to return an incompetent defendant to a level of functioning sufficient to proceed with adjudication.
- Involuntary medication for competency
- Related: Restoration to competency, Dusky standard
Administration of antipsychotic medication over objection to restore trial competence, permitted under Sell v. United States only when important governmental interests are at stake and specific medical criteria are met.
- Insanity defense
- Related: M'Naghten rule, Model Penal Code insanity test, Ultimate issue testimony
A criminal defense asserting that a defendant's mental disorder at the time of the offense negated criminal responsibility under a jurisdiction's legal test.
- M'Naghten rule
- Related: Insanity defense, Model Penal Code insanity test
An insanity test asking whether, because of a mental disease or defect, the defendant did not know the nature and quality of the act or did not know it was wrong.
- Model Penal Code insanity test
- Related: Insanity defense, M'Naghten rule, Volitional prong
An insanity standard excusing conduct when, as a result of mental disease or defect, the defendant lacked substantial capacity to appreciate the wrongfulness of the act or to conform conduct to the law.
- Volitional prong
- Related: Model Penal Code insanity test, Insanity defense
The part of an insanity test excusing a defendant who could recognize wrongfulness but lacked substantial capacity to control the conduct to conform to law.
- Diminished capacity
- Related: Insanity defense, Mitigation
A doctrine allowing evidence of mental impairment to negate the mens rea required for a specific offense, distinct from an insanity defense that excuses the act entirely.
- Mitigation
- Related: Diminished capacity, Risk assessment
Presentation of mental health and psychosocial evidence at sentencing to reduce moral blameworthiness and support a lesser penalty, without contesting guilt.
- Risk assessment
- Related: Actuarial risk instrument, Structured professional judgment, Sexually violent predator commitment
Structured estimation of the likelihood that a person will commit future violence or reoffend, used in sentencing, civil commitment, and release decisions.
- Actuarial risk instrument
- Related: Structured professional judgment, Risk assessment
A statistically derived tool that combines fixed risk factors using an algorithm to produce a probability estimate of a defined outcome over a specified period.
- Structured professional judgment
- Related: Actuarial risk instrument, Risk assessment
A risk assessment approach in which the evaluator rates empirically supported risk factors and then forms a final judgment incorporating case-specific and protective factors.
- Sexually violent predator commitment
- Related: Civil commitment, Risk assessment
Civil confinement of a person with a mental abnormality or personality disorder that makes them likely to engage in predatory sexually violent acts, after completion of a criminal sentence.
- Civil commitment
- Related: Sexually violent predator commitment, Parens patriae, Police power
Involuntary psychiatric detention authorized by a court on grounds of mental disorder plus danger to self, danger to others, or grave disability.
- Parens patriae
- Related: Police power, Civil commitment
The state's authority to act as guardian for persons unable to care for themselves, a common constitutional basis for civil commitment of the mentally ill.
- Police power
- Related: Parens patriae, Civil commitment
The state's authority to protect public safety and welfare, which justifies confinement of individuals who pose a danger to others.
- Tarasoff duty
- Related: Confidentiality, Risk assessment
A mental health professional's obligation, recognized in many jurisdictions, to take reasonable steps to protect an identifiable third party from a patient's serious threat of violence.
- Confidentiality
- Related: Tarasoff duty, Informed consent, Forensic versus therapeutic role
The ethical and legal duty not to disclose information learned in a professional relationship without the patient's authorization, subject to recognized exceptions such as danger to others.
- Informed consent
- Related: Confidentiality, Forensic versus therapeutic role
Agreement to evaluation or treatment given voluntarily after disclosure of purpose, procedures, risks, benefits, alternatives, and limits on confidentiality.
- Forensic versus therapeutic role
- Related: Informed consent, Dual agency, Confidentiality
The distinction between evaluating or testifying for a legal decision-maker and providing treatment to a patient, with differing loyalties, confidentiality rules, and ethical obligations.
- Dual agency
- Related: Forensic versus therapeutic role, Boundary violation
A conflict arising when a professional simultaneously serves clinical and forensic functions, or two parties with opposing interests, compromising objectivity or the patient's welfare.
- Boundary violation
- Related: Dual agency, Forensic versus therapeutic role
A departure from the professional frame that exploits or harms the evaluee or patient, such as sexual contact, financial entanglement, or excessive self-disclosure.
- Therapeutic jurisprudence
- Related: Mental health court, Civil commitment
An approach that considers how legal rules and proceedings affect participants' psychological well-being and designs legal processes to improve outcomes such as treatment engagement.
- Mental health court
- Related: Therapeutic jurisprudence, Restoration to competency
A specialized problem-solving docket that diverts defendants with mental disorders into judicially supervised treatment in exchange for dismissal or reduced charges.
- Forensic report writing
- Related: Expert witness qualification, Ultimate issue testimony
Preparation of a written opinion that states the referral question, data sources, findings, and conclusions, distinguishes observation from inference, and addresses limits of the evaluation.
- Testamentary capacity
- Related: Capacity to consent to treatment, Guardianship
The legal ability to make a valid will, requiring knowledge of the nature of the act, the estate, the natural beneficiaries, and the plan of distribution.
- Capacity to consent to treatment
- Related: Informed consent, Testamentary capacity, Guardianship
A patient's ability to understand relevant information, appreciate the consequences, reason about options, and communicate a choice regarding proposed medical care.
- Guardianship
- Related: Testamentary capacity, Civil commitment
A court-appointed relationship in which a person or agency makes personal or financial decisions for an individual found incapable of managing those matters.
- Secondary gain
- Related: Malingering, Feigning
External benefits derived from illness or symptoms, such as attention, financial compensation, or avoidance of obligations, which may motivate exaggeration.
- Mandated reporting
- Related: Confidentiality, Tarasoff duty
A legal requirement that designated professionals report suspected child abuse, elder abuse, or dependent adult abuse to an authorized agency, overriding ordinary confidentiality.