MIdterm 1 Flashcards
What is forensic psychology?
The application and production of psychology on the criminal justice system
2 areas of the legal system?
Civil: private law, do not involve criminal code
Criminal: public law, government enforces
Criminal Behaviour
An intentional act in the violation of the criminal law committed without defense of excuse
- behaviour must be intentional
- violate criminal code
- person must be able to discern right from wrong
Sociological conceptions of crime
Groups of society as a whole and how they influence criminal activity
SAUCER (sex,age,urbanity,class,ethnicity,religion)
Psychological conceptions of crime
Emphases placed on individual differences in variables that contribute to criminal conduct
personal interpersonal community reinforcement (PIC-R) model
explains risk factors and vulnerabilities are expressed in criminal behaviour
Central Eight (PIC-R)
criminal history
procriminal attitudes
procriminal associates
anitsocial peronality pattern
family
school/work
substance abuse
leisure/recreation
Duties of Forensic Psychologist (6)
assessment
research
consultation
treatment
teaching
administration
Provincial systems (5)
- operated by ministry of corrections
- sentences <2yr
- short custody/probation
- larger number of remanded individuals
- responsibility of province
Federal System (5)
- service of Canada
- 2 or more years
- mechanisms of preventative detention and release
- parole board of Canada release decision
- regional treatment facilities
2021 statistics
- Human trafficking: stable
- Child Pron: 31% increase from 2019-21
- sexual violation on child: 14% increase
- Impaired driving: decrease
Crime Severity Index
Advancement on UCR (Uniform crime reporting survey): an index computed by weighting the severity of crimes
Physiognomy
Assessing a person’s psychological characteristics from their facial features of body structure
Phrenology - Franz Joseph Gall (1796)
The brain is an organ on the mind, the more is is used the larger it became.
- contours of the skull were measured to predict personality traits
The Born Criminal
Cesare Lombroso
- believed criminals are more genetically similar to their primitive ancestors than “non-criminal”
- believed they possessed a unique set of physical characteristics (flat nose, large ears) tattoos, slang and orgies
Physique and Crime
Somatotyping: body type classification, 3 types
- mesomorphs more likely to commit crimes
- also those that commit crimes are in prison and workout more which is a possible cause for body type association.
Twin Study
Monozygotic twins show greater concordance on a characteristic than dizygotic twins if there is a genetic basis to that trait
Adoption Study
Children should resemble biological parents more than adoptive
Serotonin and human aggression
aggressive behaviour found to increase as CSF levels of 5-HIAA decrease (children with disruptive behavior disorders)
Norepinephrine (NE)
positive relationship between NE activity and aggression proposed
positive correlation between levels of MPHG and history of aggression in males
Dopamine (DA)
Re-Offenders have lower levels of homovanillic acid
antipsychotic meds
ANS arousal and antisocial behaviour
antisocial = increase underarousal
ANS arousal theories (3)
- Fearlessness theory
- Stimulation-seeking theory
- 2 theories not mutually exclusive
Neuropsychological Deficits (2)
- verbal deficits: linked to left hemisphere
- executive functions: linked to frontal cortex dysfunctions
Evolution by natural selection
process by which individuals better adapted to their environment are selected to survive, reproduce and pass their genes on to succeeding generations