Federal Abortion Policy and Politics: 1973-1996 Why is Abortion Such a Controversial issue in the United States Barriers to Access to Abortion Services The Impact of Anti-abortion Activities on Women Seeking Abortions Black Women and the Question of Abortion Latinos and Abortion Abortion and Asian Pacific Islander Americans The Acceptability of Medical Abortion to Women Understanding the Relationship of Violence Against Women to Unwanted Pregnancy and it's Resolution Testing a Model of the Psychological Consequences of Abortion Men and Abortion: The Gender Politics of Pregnancy Resolution Abortion Among Adolescents A Cognitive Approach to Patient-Centered Abortion Care Abortion Issues in Psychotherapy Bringing Lessons Learned to the United States Improving Access to Abortion Services Abortion Practice, Policy, and Research: Recommendations for the 21st Century

Violent offenders: Appraising and managing risk.

Violent offenders: Appraising and managing risk, 2nd ed.

Neuropsychological and cognitive psychophysiological substrates of impulsive aggression

Although aggression research in general has been hampered by a lack of objective measurements of aggressive acts, two types of aggressive acts, impulsive vs. premeditated, have been studied extensively in recent years. These two types of aggression have been primarily measured by structured or semi-structured interviews. The current study was designed to assess the construct validity of these two types of aggression using a self-report questionnaire which included items gleaned from the content of interviews used in past studies. For this study, 216 college students assessed their own aggressive acts rather than answering general questions about aggression. The students were not significantly different from normative sample groups on self-report measures of impulsiveness, aggression, and anger/hostility. A PCA factor analysis with a promax rotation of the items on the self-report questionnaire identified four factors: impulsive aggression; mood on the day the act occurred; premeditated aggression; and agitation. Thus, impulsive and premeditated aggression are independent constructs which exist in varying degrees among these 'normal' persons in a non-clinical sample. Impulsive aggression was characterized in part by feelings of remorse following the acts and by thought confusion. Premeditated aggression was related to social gain and dominance.

Impulsive and premeditated aggression: a factor analysis of self-reported acts.

In the research literature, aggressive behavior has traditionally been classified into two distinct subtypes, impulsive or premeditated. Impulsive aggression is defined as a hair-trigger aggressive response to provocation with loss of behavioral control. Premeditated aggression is defined as a planned or conscious aggressive act, not spontaneous or related to an agitated state. The present study outlines the development of a clinically useful self-report instrument, the Impulsive/Premeditated Aggression Scales (IPAS), designed to characterize aggressive behavior as predominately impulsive or predominately premeditated in nature. The IPAS showed strong reliability and validity. Analysis of the IPAS scores demonstrated the presence of two types of aggressive behavior, impulsive and premeditated, in men referred for anger problems. The aggression of most individuals in the present sample was characterized as predominately impulsive in nature (90%).

Characterizing aggressive behavior

criminal.3 The prevalence of violent crime within a minority group has been reported in other countries as well. The higher rates of violent crime in England among the Irish and West Indian minorities of London4 and Birmingham5 are a matter of record. More general analysis of Commonwealth immigration into England has led to the conclusion that delinquency rates were generally low, except for violent crimes.6 Migrant workers of various European nationalities more frequently committed crimes against persons, although their overall prevalence figures were actually lower than for the populations of the host countries.7 Homicides committed in Israel between 1950-1964 were more

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Lynn C. Heilbrun

Papers

Impulsive and Premeditated Homicide: An Analysis of Subsequent Parole Risk of the Murderer