Week 4- Psychopathy

Question 1

Who defined psychopathy

Answer 1

1. Pinel
2. Prichard
3. Cleckley: the mask of sanity, 16 characteristics

Question 2

According to hare psychopathy checklist- revised, what are the 4 factors of psychopathy

Answer 2

HAIDA

1. Arrogant/ deceitful
2. Impulsive
3. Deficient affect
4. Antisocial

Question 3

We assess psychopathy using PCL-R. From 0-2 points & 20 items. What is it based on

Answer 3

• semi structured interviews
• institutional records
• trained interviewer

Question 4

Is APD = psychopathy?

Answer 4

NO!!! <1/4 of APD meet criteria for psychopathy

Question 5

Base rates of psychopathy in society, criminals, upper ranks cooperations

Answer 5

1%
15-25%
3%

Question 6

Criticism of including criminal behaviour in PCLR

Answer 6

• overinclusion
• underinclusion (successful psychopaths)
• first designed in a place full of criminals
• only from hare’s POV

Question 7

Etiology/ risk factors for psychopathy

Answer 7

TPB3
1. Temperamental diff (fearfulness & inhibition Low, stimulation seeking high)
2 Pyschosocial (coping style, bad parental bond, les emotionally responsive)
3. Biological (males>females, Low HR and skin conductance)
4. Brain structure (smaller amygdala, larger striatal size)
5. Bodily sensation (somatic aphasia- not aware of true body states)

Question 8

Unsuccessful Vs successful psychopaths

Answer 8

Unsuccessful:

• Low EF
• Low autonomic reactivity
• Low prefrontal gray volume

Successful is opposite for all

Question 9

How is child psychopathy assessed

Answer 9

• psychopathy checklist youth edition (pcl-yv)
• the child psychopathy scale (cps)
• inventory of callous- unemotional traits
• antisocial process screening devise:
  Callous/ unemotional
  Narcissism
  Impulsivity
  (Uni)

Question 10

Can child psychopathy be identified

Answer 10

YES
CHILD PSYCHo traits predicted psychopathy in the later years (valid)
Stable across dvpt stages (reliable)

Question 11

Should pcl-r be used in sentencing

Answer 11

Yes:

• as intervention
• as risk assessment to determine if should release back into society
• helps in sentencing

No:

• up to 20% don’t reoffend
• might not be applicable to female/ minority population
• not easy to administer

Question 12

Does knowing criminal is psychopath have influence on insanity defences

Answer 12

Yes
Psychosis only vs psychopathy: psychopathy get greater sentencing
Any mental disorders vs psychopathy: both get same sentence

Question 13

General vs specific labelling effect

Answer 13

General: psychopathy vs no mental disorder
Specific: psychopathy vs a different psychiatric disorder

Question 14

How many percent of the time will psychosis be seen as not guilty even will all the evidence

Answer 14

50%. Not easy to get NGRI