Print This Page
   HOME | CONTACT US| PDF

 
Training Courses

 

Actuarial VRAG/SORAG 
Anger management 
Assessing Youth Violence
Domestic violence: SARA 
HCR-20 Reliability 
HCR20 SPJ update 
HCR-20/SVR-20 Basic 
Intro risk assessment 
PCL-R Basic 
PCL-R Reliability 
Personality disorder 
Predicting suicide 
Risk formulation  
START
 
Course feedback 
Train the trainers 
 
Course flyers 
Registration Forms
 

 

Publications

 

 
You may need a pdf reader to view our files. Choose one from our PDF page

 Articles submitted recently  
 Gray, N. S., Benson, R. &  Snowden, R. J.,  (submitted) The Risk of Suicide Protocol (RoSP): evidence for its reliability and validity in in-patient and community samples.  Journal of Clinical and Counselling Psychology  
 Weidacker, K.,  O’Farrell, K., Johnston, S. J., Gray, N. S., and  Snowden, R. J (submitted)  Psychopathy and Impulsivity:  The relationship of the Triarchic model of psychopathy to different forms of impulsivity. Journal of Personality Disorders  
 O’Farrell, K., Gray, N. S. and Snowden, R. J. (submitted)   Factor 1 and Factor 2 psychopathy and their relations to affect categorisation and experience. Journal of Personality Disorders  
 O’Farrell, K., Gray, N. S. and Snowden, R. J. (submitted) The eye as interpreter: Abnormalities of pupil response in psychopathic offenders. Biological Psychology  
 Snowden, R. J, Smith, C., and. Gray, N.S. (submitted).  Risk taking and the Triarchic model of psychopathy  Neuropsychologia
 
  Journal Articles published  
 Snowden, R. J., O’Farrell, K., Burley, D., Erichsen, J. T., Newton, N. and Gray, N. S. (2016). The pupil’s response to affective pictures: role of image duration, habituation, and viewing mode Psychophysiology. DOI: 10.1111/psyp.12668  
 Gray, N. S., &  Snowden, R. J.,  (2016) Psychopathy in women: Prediction of criminality and violence in UK and USA psychiatric patients resident in the community Psychiatry Research, 237, 228-343,
(2016) Psychopathy in women
 
 Snowden, R. J., Curl, C., Jobbins, K., Lavington, C. and Gray, N. S. (2016) Automatic direction of attention to male versus female stimuli: a comparison of heterosexual men and women. Archives of Sexual Behaviour, 45, 843-853, doi:10.1007/s10508-015-0678-y
(2016) Automatic direction of attention to male versus female stimuli
 
 Gray, N. S., Raybould, S., McKinnon, A. &  Snowden, R. J.  (2015) The aggression and Vulnerability Scale (AVS) for the measurement of inpatient behaviours.  Austin Journal of Psychiatry and Behavioral Sciences, 2(3), 1045.
(2015) The aggression and Vulnerability Scale
 
 Bagshaw, R., Gray, N. S., Snowden, R. J. (2014) Executive function in psychopathy: The Tower of London, Brixton Spatial Anticipation and the Hayling Sentence Completion Tests. Psychiatry Research, 220, 483 – 489.
 
(2014) Executive function in psychopathy
 
 Gray, N. S., Gunn, J., James, D. V., Monahan, J., Snowden, R. J., Taylor, P., Walker, J., and Warrne, L. J. (2013) Dangerousness . In:  Gunn, J. and Taylor, P (Eds). ‘Forensic Psychiatry, Clinical, Legal and Ethical Issues.  Butterworth Heinemann. 
(2013) Dangerousness = Chapter 22
 
Fitzgerald, S., Gray, N. S., Alexander, RT, Bagshaw, R, Chesterman, P, Huckle, P., Jones, SK.,  Taylor, J., Williams, T and  Snowden, R. J. (2013). Predicting Institutional Violence in Offenders with Intellectual Disabilities: The Predictive Efficacy of the VRAG and the HCR-20  Journal of Applied Research in Intellectual Disabilities 2013 26, 384-393.
 (2013). Predicting Institutional Violence in Offenders with Intellectual Disabilities 
 
Copestake, S., Gray, N. S., and  Snowden, R. J. (2013). Emotional intelligence and psychopathy: A comparison of trait and ability measures. Emotion  13, 691-702.
(2013). Emotional intelligence and psychopathy
 
Snowden, R. J., Gray, N. S., Pugh, S. and Atkinson, G (2013). Executive function as a function of sub-clinical psychopathy. Personality and Individual DIfferences  55, 801-804.
(2013). Executive function as a function of sub-clinical psychopathy
 
Snowden, R. J.,  and Gray, N. S., (2013). Implicit sexual associations in heterosexual and homosexual women and men. Archives of Sexual Behavior  42, 475-485.
(2013). Implicit sexual associations in heterosexual and homosexual women and men
 
Craig, R. Gray, N. S. & Snowden, R. J., (2013). Recalled parental bonding, current attachment, and the triarchic conceptualisation of psychopathy. Personality and Individual Differences  55, 345-350.
 (2013). Recalled parental bonding, current attachment,
 
Snowden, R. J., Craig, R. & Gray, N. S. (2013). Detection and recognition of emotional expressions: Effects of traits of personality and gender. Personality and Individual Differences  54, 158-163.
(2013). Detection and recognition of emotional expressions
 
Alexander, R. T., Chester, V. Gray N. S.  & Snowden R. J., (2012) Patients with personality disorders and intellectual disability – closer to personality disorders or intellectual disability? A three-way comparison. Journal of Forensic Psychiatry and Psychology, 23, 435 – 451.
(2012) Patients with personality disorders and intellectual disability
 
Snowden, R. J., & Gray, N. S. (2011). Impulsivity and psychopathy: Associations between the Barrett Impulsivity Scale and the Psychopathy Checklist revised. Psychiatry Research, 187, 414-417.
(2011). Impulsivity and psychopathy:
 
Gray, N. S., Taylor, J., & Snowden, R. J. (2011). Predicting violence using structured professional judgment in patients with different mental and behavioral disorders. Psychiatry Research, 187, 248-253.
(2011). Predicting violence using structured professional judgment
 
Gray N. S., Benson, R., Craig, R., Davies, H., Fitzgerald, S., Huckle, P., Maggs, R., Taylor J., Trueman, M., Williams, T., & Snowden R. J. (2011) The Short-Term Assessment of Risk and Treatability (START): A prospective study of inpatient behaviour. International Journal of Forensic Mental Health, 10, 305-313.  
Morgan, J. E., Gray, N. S. & Snowden, R. J. (2011). The relationship between psychopathy and impulsivity: A multi-impulsivity measurement approach. Personality and Individual Differences, 51, 429-434
(2011). The relationship between psychopathy and impulsivity
 
Copestake, S., Gray, N. S., & Snowden, R. J. (2011) A comparison of psychopathic traits as indexed by the Psychopathy Checklist-Revised and the Psychopathic Personality Index - Revised. Journal of Forensic Psychiatry and Psychology, 22, 169-182.  
Snowden, R. J., Craig, R. L., & Gray, N. S. (2011). Indirect Behavioral Measures of Cognition among Sexual Offenders. Journal of Sex Research, 48, 192-217.  
 Fitzgerald, S., Gray N. S., Taylor, J. &  Snowden R. J. (2011) Risk factors for recidivism in offenders with intellectual disabilities. Psychology, Crime and Law, 17, 43-58
(2011) Risk factors for recidivism in offenders with intellectual disabilities
 
Cvencek, D., Greenwald, A. G., Brown, A.., Gray N. S., &  Snowden, R. J. (2010) Faking of the implicit association test is statistically detectable and partly correctable. Basic and Applied Social Psychology, 32, 302-314  
Snowden, R. J.  & Gray, N. S. (2010) The temperament and character of the psychopath :  Relationships between the Psychopathy Checklist – Revised and the Temperament and Character Inventory in a sample of Personality Disordered repeat offenders Journal of Forensic Psychiatry and Psychology, 21, 815-833  
Snowden, R. J., Gray, N. S., & Taylor, J. (2010). Risk assessment for future violence in individuals from an ethnic minority group in the UK. International Journal of Forensic Mental Health, 9, 118-123.  
Snowden R. J., Gray N. S., Taylor, J. & Fitzgerald, S., (2009) Assessing risk of future violence in inpatients using the Classification of Violence Risk (COVR) Psychiatric Services 60, 1522-1526.  
Brown, A., Gray N. S.  & Snowden R. J. (2009) Implicit measurement of sexual associations in child sex abusers. Role of victim type and denial. Sexual Abuse, 21, 166-180.  
Snowden, R.J., Wichter, J., Gray, N.S. (2008). Implicit and explicit measurements of sexual preference in gay and heterosexual men: A comparison of priming techniques and the implicit association task. Archives of Sexual Behavior, 37, 558-565.     
Andrew, E. M., Gray N. S., & Snowden R. J. (2008). The relationship between trauma and beliefs about hearing voices: a study of psychiatric and non-psychiatric voice hearers. Psychological Medicine 38, 1409-1417.  
Gray N. S., Taylor J. & Snowden R. J. (2008) Predicting violent reconvictions using structured clinical judgment. British Journal of Psychiatry, 192, 384-387.  
Gray N. S., Fitzgerald, S., Taylor J. MacCulloch M. J. & Snowden R. J. (2007) Predicting future reconvictions in offenders with Intellectual Disabilities: The predictive efficacy of VRAG, PCL-SV and the HCR-20. Psychological Assessment, 19, 474-479.  
Evans, L., Gray N. S., & Snowden R. J. (2007) Reduced P50 suppression is associated with the cognitive disorganisation dimension of schizotypy. Schizophrenia Research, 97, 152-162  
Walters, G. D.,  Gray N. S., Jackson, R. L., Sewell, K. W., Rogers, R. Taylor J. &  Snowden R. J. (2007) A taxometric analysis of the Psychopathy Checklist: Screening Version: Further evidence of dimensionality.  Psychological Assessment, 19, 330-339.  
Snowden R. J.  Gray N. S., Taylor J. & MacCulloch M. J. (2007). The efficacy of actuarial measures of reconviction (VRAG and OGRS) in a UK population of mentally disordered offenders. Psychological Medicine, 37, 1539-1549.  
Fitzgerald, S., Gray N. S., & Snowden R. J. (2007). A comparison of WAIS-R and WAIS-III in the lower IQ range: implications for Learning Disability diagnosis. Journal of Applied Research in Intellectual Disabilities, 20, 323-330  
Evans, L., Gray N. S., & Snowden R. J. (2007). A new continuous within-participants latent inhibition task: Examining associations with schizotypy dimensions, smoking status and gender. Biological Psychology, 74, 365-373  
Gray N. S., & Snowden R. J. (2005). The relevance of irrelevance to schizophrenia. Neuroscience and Biobehavioural Review, 29, 989-999  
Evans, L. H., Gray N. S., & Snowden R. J. (2005). Prepulse inhibition of startle and its moderation by schizotypy and smoking. Psychophysiology, 42, 223-231.  
Gray N. S., Brown, A., MacCulloch M. J., Smith, J. & Snowden R. J. (2005). Implicit test of the associations between children and sex in pedophiles. Journal of Abnormal Psychology, 114, 304-308.  
Phillips HK, Gray NS, MacCulloch SI, Moore SC, Huckle P, MacCulloch MJ (2005). Risk assessment in mentally disordered offenders: Relative efficacy of personal demographic, criminal history and clinical variables. Journal of Interpersonal Violence, 20: 833-847  
Gray NS, Snowden RJ (2005). The relevance of irrelevance to schizophrenia. Neuroscience and Biobehavioural Reviews, 29, 989-999  
Sellen JL, Oaksford M, Gray NS (2005). Schizotypy and conditional reasoning. Schizophrenia Bulletin, 31, 105-116  
Gray NS, Snowden RJ, MacCulloch SI, Phillips HK, Taylor J, MacCulloch MJ (2004). Relative efficacy of criminological, clinical, and personality measures of future risk of offending in mentally disordered offenders: A comparative study of HCR-20, PCL:SV and OGRS.  Journal of Clinical and Consulting Psychology, 72, 523-530.  
Snowden R. J., Gray N. S., Smith, J., Morris, M. & MacCulloch M. J. (2004). Implicit affective associations to violence in psychopathic murderers.  Journal of Forensic Psychiatry and Psychology, 15, 620-641.  
Fox JE,  Gray NS, Lewis H (2004).  Factors determining compliance with command hallucinations with violent content: the role of social rank, perceived power of the voice and voice malevolence. Journal of Forensic Psychiatry and Psychology, 15, 511-531.  
Barrowcliff AL, Gray NS, Freeman TCA, MacCulloch MJ (2004). Eye movements reduce the vividness, emotional valence and electrodermal arousal associated with negative autobiographical memories. Journal of Forensic Psychiatry & Psychology, 15, 325-345.  
MacCulloch SI, Gray NS, Phillips HK, Taylor J, MacCulloch MJ (2004). Birth order in sex offending and violent offending men. Archives of Sexual Behaviour, 33, 467-474.  
Barrowcliff AL, Gray NS, MacCulloch S, Freeman T, MacCulloch MJ (2003). Horizontal rhythmical eye movements consistently diminish the arousal provoked by auditory stimuli. British Journal of Clinical Psychology, 42, 289-302.  
Gray NS, Watt AA, Hanson S, MacCulloch MJ (2003). Behavioural Indicators of sadistric sexual murder predict the presence of sexual fantasy in a normative sample. Journal of Interpersonal Violence, 18, 1018-1034.  
Gray NS, MacCulloch MJ. Smith J, Morris M, Snowden RJ (2003). Implicit affective associations to violence in psychopathic murderers. Nature, 423, 497-498.  
Gray NS, Hill C, McGleish A, Timmons D, MacCulloch MJ, Snowden RJ (2003). Prediction of violence and self-harm in mentally disordered offenders: a prospective study of the efficacy of HCR-20, PCL-R and psychiatric symptomatology. Journal of Consulting and Clinical Psychology, 71, 443-451.  
Gray NS, Carman NG, Rogers P, MacCulloch MJ, Hayward P, Snowden RJ (2003). Post-Traumatic Stress Disorder caused by committing a serious violent or sexual offence in mentally disordered offenders. Journal of Forensic Psychiatry, 14, 27-43.  
Gray NS, Snowden RJ, Peoples M, Hemsley DR, Gray JA (2003). A demonstration of within-subjects latent inhibition in the human: Limitations and advantages. Behavioural Brain Research, 138, 1-8.  
Green G, Gray NS, Willner P (2003). Management of sexually-inappropriate behaviours in men with learning disabilities. Journal of Forensic Psychiatry, 14, 85-110.  
Hurn C, Gray NS, Hughes I (2002). Independence of ‘Reaction to Hypothetical Contradiction’ from other measures of delusional ideation. British Journal of Clinical Psychology, 41, 349-360.  
Green G, Gray NS, Willner P (2002). Factors associated with criminal convictions for sexually inappropriate behaviours in men with learning disabilities. Journal of Forensic Psychiatry, 13, 578-607.  
Gray NS, Pickering AD, Snowden, RJ, Hemsley DR, Gray JA (2002).  The partial reinforcement extinction effect in humans:  Effects of schizophrenia, schizotypy, and low doses of amphetamine.  Behavioural Brain Research, 133, 333-342.  
Rogers P, Watt A, Gray NS, MacCulloch MJ, Gournay K (2002). Content of command hallucinations predicts self-harm but not violence in a medium secure unit. Journal of Forensic Psychiatry, 13, 251-262.  
Gray NS, Fernandez M, Williams J, Ruddle R & Snowden RJ (2002). Which schizotypal dimensions abolish latent inhibition? British Journal of Clinical Psychology, 41, 271-284.   
Gray NS, O’Connor C, Williams T, Short J, MacCulloch MJ (2001). Fitness to Plead: Implications from Case Law arising from the Criminal Justice and Public Order Act, 1994.  Journal of Forensic Psychiatry, 12, 52-62.    
Gray NS, Williams J, Fernandez M, Ruddle RA, Good MA, Snowden RJ (2001).  Context Dependent Latent Inhibition in Adult Humans.  Quarterly Journal of Experimental Psychology: Section B Comparative and Physiological Psychology, 54B, 233-245.  
Rogers P, Gray NS. Williams T, Kitchiner N (2001). PTSD following manslaughter: the outcome of exposure therapy. Psychiatric Review, 3, 22-24.  
Rogers P, Gray NS, Kitchiner N, Williams T (2000). Behavioural treatment of Post-Traumatic Stress Disorder in a perpetrator of manslaughter: A single case study. Journal of Traumatic Stress, 13, 511-519.  
MacCulloch MJ, Gray NS, Watt AA (2000). Brittain’s Sadistic Murderer Syndrome reconsidered: An associative account of the aetiology of sadistic sexual fantasy.  Journal of Forensic Psychiatry, 11, 401-418]  
James DV, Gray NS (1999). Elective combined electroconvulsive and clozapine therapy. International Clinical Psychopharmacology, 14: 69-72.  
Kumari V, Cotter PA, Mulligan OF, Checkley SA, Gray NS, Hemsley DR, Thornton JC, Corr PJ, Toone BK Gray JA (1999). Effects of d-amphetamine and haloperidol on latent inhibition in healthy male volunteers. Journal of Psychopharmacology, 13, 398-405.  
Gray NS, James DV, Pickup G, Gilluley P, Spence S, Vidgen A, Morton N (1998). Neuropsychological deficits in autosomal dominant cerebellar ataxia: An examination of three affected family members, one with psychosis. Cognitive Neuropsychiatry, 3: 259-268.  
James DV, Cripps J, Gray NS (1998). What demands do those admitted from the criminal justice system make on psychiatric beds? Expanding local secure services as a development strategy. Journal of Forensic Psychiatry, 9: 74-102.  
Pedro BM, Hemsley DR, Gray JA, Jones SH, Gray NS (1997).  Lack of relationship between prepulse inhibition and a CSTQ-defined positive dimension of schizotypy.  Personality and Individual Differences, 22:235-239.  
Gray NS, Pickering AD, Gray JA, Jones SH, Abrahams S, Hemsley DR (1997).  The Kamin Blocking Effect is not disrupted by amphetamine.  Journal of Psychopharmacology, 11:301-311.  
Thornton JC, Dawe S, Lee C, Capstick C, Corr PC, Cotter P, Frangou S, Gray NS, Russell MAH, Gray JA (1996).  Effects of nicotine, amphetamine and schizotypy on latent inhibition in normal human subjects.  Psychopharmacology, 127, 164-173.  
Gray NS, Pilowsky LS, Gray JA, Kerwin RW (1995).  Latent inhibition in drug naive schizophrenics:  relationship to duration of illness and dopamine D2 binding using SPET.  Schizophrenia Research, 17: 95-107.  
Corr PJ Wilson GD, Fotiadou M, Gray NS, Checkley S, Gray JA (1995).  Personality and affective modulation of the startle reflex.  Personality and Individual Differences, 19:543-553.  
Gray NS, Pickering AD, Gray JA (1994). Psychoticism and dopamine D2 binding in the basal ganglia using SPET.  Personality and Individual Differences, 17:431-434.  
Pedro BM, Pilowsky LS, Costa DC, Hemsley DR, Ell PJ, Verhoeff NPLG, Kerwin RW, Gray NS (1994). Stereotypy, schizophrenia, and dopamine D2 receptor binding in the basal ganglia.  Psychological Medicine, 24:423-429.  
Gray NS, Pickering AD, Hemsley DR, Dawling S, Gray JA (1992). Abolition of latent inhibition by a single 5mg dose of d-amphetamine in man.  Psychopharmacology, 107:425-430.   
Gray NS, Hemsley DR, Gray JA (1992). Abolition of latent inhibition in acute, but not chronic schizophrenics.  Neurology, Psychiatry and Brain Research, 1:83-89.  
Gray JA, Hemsley DR, Feldon J, Gray NS, Rawlins JNP (1991). Schiz bits:  misses, mysteries and hits. Behavioural Brain Sciences, 14:56-84.  
   
2011_Psychiatric Research_online 
Predicting violence using structured professional judgment in patients with different mental and behavioural disorders
25
2010_J For Psyc Psyc_Snowden&Gray 
Temperament and character as a function of psychopathy: relationships between the Psychopathy Checklist - Revised and the Temperament and Character Inventory in a sample of personality disordered serious or repeat offenders
11
2010 IJFHM Snowden et al 
Risk Assessment for Future Violence in Individuals from an Ethnic Minority Group Robert. J. Snowden
School of Psychology, Cardiff University Nicola S. Gray Pastoral Cymru and School of Medicine, Swansea University John Taylor Partnerships in Care PLC
41
2010 Psychiatric Services Snowden & Gray 
In Reply: The letter from Large and colleagues describes issues that have appeared in the literature many times. The interested reader should start with Harris and Rice (1). Here we have room only for a precis.
27
2010 PsychServ Snowden et al 
Assessing Risk of Future Violence Among Forensic Psychiatric Inpatients With the Classification of Violence Risk (COVR) Robert J. Snowden, Ph.D. Nicola S. Gray, D.Clin.Psych., Ph.D. John Taylor, M.D. Suzanne Fitzgerald, Ph.D.
25
2008_BJP_Grayetal.pdf 
Predicting violent reconvictions using the HCR-20
 
198
2007_PsychMed_Snowdenetal.pdf 
Actuarial prediction of violent recidivism in mentally disordered offenders
83
2007_PsychAsses_Walters_et_al.pdf 
A Taxometric Analysis of the Psychopathy Checklist: Screening Version (PCL-SV): Further Evidence of Dimensionality
60
2007_Psych_Asses_Grayetal.pdf 
Predicting Future Reconviction in Offenders With Intellectual Disabilities: The Predictive Efficacy of VRAG, PCL-SV, and the HCR-20
87
2005_JAbnormalPsychol_Grayetal.pdf 
An Implicit Test of the Associations Between Children and Sex in Pedophiles
79
2004_JFPP_Snowdenetal.pdf 
Implicit affective associations to violence in psychopathic murderers
61
2004_JCCP_Grayetal.pdf 
Relative Efficacy of Criminological, Clinical, and Personality Measures of Future Risk of Offending in Mentally Disordered Offenders: A Comparative Study of HCR-20, PCL:SV, and OGRS
69
2003_Nature_Grayetal.pdf 
Violence viewed by psychopathic murderers
70
2003_JFPP_Grayetal.pdf 
Post-traumatic stress disorder caused in mentally disordered offenders by the committing of a serious violent or sexual offence
76
2003_JCCP_Grayetal.pdf 
Prediction of Violence and Self-Harm in Mentally Disordered Offenders:
A Prospective Study of the Efficacy of HCR-20, PCL-R,
and Psychiatric Symptomatology
229