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Dr. Keith Ashcroft
Research History
Keith Ashcroft is a visiting research fellow at the department of computing
and mathematics.
MAJOR ACTIVITIES
Investigative Psychologist
2000-ongoing Expert Witness, provision of forensic psychological reports in both civil and criminal cases (e.g. pre-trial and pre-sentence reports) and giving oral evidence in Court; acting for both the defence and prosecution in the Crown and Appeal Courts, Sheriff Courts, the High Court of Justiciary and the Revenue and Customs Prosecutions Office. The provision of expertise in the following areas: homicide, assessment of testamentary capacity, suggestibility with respect to disputed confessions, mitigation issues, sexual psychopathology, forensic psychophysiology (polygraph), forensic hypnosis, and sexual and violent offenders; In addition, giving forensic neuropsychological evidence in mitigation and with respect to criminal responsibility.
Prison Law Matters, preparation of reports for Judicial Reviews, Adjudication Hearings, Security Categorisation, Parole Evaluations, Lifer Panels, and matters concerning Indeterminate Sentence for Public Protection.
2008-ongoing Threat Assessment, supporting and advising individuals who are victims of stalking and harassment, consultancy on the prevention of work place violence.
2007-ongoing Fitness for Duty Assessment, for Public Safety Personnel, including integrity testing.
2007-ongoing Polygraph Testing, provision of consultancy on matters relating to the use of polygraph in monitoring convicted sex offenders (G4S, a UK security company)
2005-ongoing Psychophysiological Assessment of Sexual Arousal Patterns, with respect to the treatment and management of deviant sexual behaviour, primarily in secure psychiatric settings.
2002-ongoing Centre for Forensic Neuroscience, establishment of limited company comprising of associates, including other forensic psychologists, polygraph examiners, forensic psychiatrists and neurologists providing expert witness services to criminal and prison law. The centre collaborates with Lodestone Patient Care, at York Diagnostic Imaging fMRI scanning
facility.
Psychology Consultant
2003-ongoing Silent Talker: A New Computer-Based System for the Analysis of Facial Cues to Deception. Lead Psychologist in a multidisciplinary team developing a computerised, non-invasive psychological profiling system for the analysis of non-verbal behaviour related to primarily to deception, but also other psychological states, such as ‘threat intention’. Projects completed or ongoing are: the investigation of its utility for airport security – analysis of potentially high-risk passengers, police interviews of suspects, clinical assessment of autistic spectrum disorders, psychopathic personality disorder, and malingering, These adaptive profiling systems operate both in real time and off-line processing modes, for use in either participating in the investigation process itself on site to provide instant intelligence, or, receive videotape of the interviews for subsequent analysis and reporting. The system can analyse simultaneously more than one subject in the frame of reference, and synchronise the extraction of information between each target.
Collaborator
2008 ongoing Cross-cultural Study of Nonverbal Communication Indicators and Local Lexicons in Informed Consent Process. This study is investigating ways to identify comprehension within the informed consent process for clinical drug trials. The aim is to address the comprehension challenge by examining both nonverbal and linguistic aspects of the informed consent process. Nonverbal behaviours associated with high and low comprehension are assessed using artificial neural network systems. The research is intended to inform the development of effective, culturally-specific communication strategies to improve researcher-participant dyadic interactions within the context of informed consent. Family Health International, Durham, North
Carolina, USA.
PEER-REVIEWED ARTICLES & PUBLISHED ABSTRACTS
2003 Gödert, H.W., Vossel, G., Rill, H.-G., Gamer, M., Busuttil, A., & Ashcroft, K. R. (2003). Dichotomization theory and the psychophysiological detection of concealed information. Journal of Psychophysiology, 17, S105–S106
2003 Gödert, H.W., Vossel, G., Rill, H.-G., Gamer, M., Busuttil, A., & Ashcroft, K. R. (2003). Forensic credibility assessment: A comparison of psychophysiological and content-oriented methods. Journal of Psychophysiology, 17, S106.
2003 Ashcroft, K.R., Gamer, M., Rill, H.-G., Gödert, H.W., Vossel, G. & Busuttil, A. (2002). Examination of various psychophysiological parameters for detecting concealed information. Psychophysiology, 39, S19
2002 Rill, H.-G., Gamer, M., Gödert, H.W., Vossel, G., Ashcroft, K. R., & Busuttil, A. (2002). Detecting concealed information using the Guilty Knowledge Test with visual stimuli: A study of the effects of linguistic versus photographic presentation. Journal of Psychophysiology, 17, S105.
2002 Rill, H.-G., Gödert, H.W., Vossel, G., Busuttil, A. & Ashcroft, K.R. (2002). The psychophysiological detection of concealed information: A comparison of written versus pictorial stimulus presentation on skin conductance response and phasic heart rate. Psychophysiology, 39, S70.
1991 Ashcroft K.R, Guimarães FS, Wang M, Deakin JF. Psychopharmacology (Berl). 1991;104(2):215-9.
CONFERENCES, SYMPOSIA, WORKSHOPS
2008 Ashcroft, K. R. Professor C. R. Mukundan, Forensic Psychology Workshop – Brain Signature Profiling and Lie Detection, British Psychological Society North East of England Branch, Annual Conference, University of Leeds, 26th-27th June.
2008 Ashcroft, K. R. Lie Detection in 21St Century, British Psychological Society North East of England and London and Home Counties Branch, Forensic Psychology Workshop, London, 3rd July
2003 Gödert, H.W., Rill, H.-G., Vossel, G., Gamer, M., & Ashcroft, K. R. (2003). Forensische Psychophysiologie ("Lügendetektion"): Gegenüberstellung der wichtigsten Verfahren – Kontrollfragentest und Tatwissentest. Tagung Polizei & Psychologie, Frankfurt, März.
2003 Gamer, M., Rill, H.-G., Ashcroft, K. R., Gödert, H.W., & Vossel, G. (2003). Forensische Psychophysiologie ("Lügendetektion"): Polygraphie versus TrusterPro. Tagung Polizei & Psychologie, Frankfurt, März 2003.
2002 Ashcroft, K.R., Gamer, M., Rill, H.-G., Gödert, H.W., Vossel, G. & Busuttil, A. (2002). An examination of various psychophysiological parameters for detecting concealed information. 42nd Annual Meeting of the Society for Psychophysiological Research, Washington, D.C., October,
2002 Ashcroft, K.R., Rill, H.-G., Gamer, M., Gödert, H.W., Vossel, G. & Busuttil, A. (2002). Forensic Psychophysiology: Detecting espionage with the Guilty Knowledge Test. 30th Annual Scientific Meeting of the British Psychophysiology Society, Glasgow, September.
2002 Gamer, M., Rill, H.-G., Ashcroft, K.R., Gödert, H.W. & Vossel, G. (2002). The utility of different psychophysiological parameters in the detection of concealed information. 28. Arbeitstagung "Psychophysiologische Methodik", Tübingen, May.
2002 Gamer, M., Rill, H.-G., Ashcroft, K.R., Gödert, H.W., Vossel, G. & Busuttil, A. (2002). An experimental investigation of multi-modal psychophysiological parameters for detecting concealed information. 30th Annual Scientific Meeting of the British Psychophysiology Society, Glasgow, September.
2002 Gödert, H.W., Rill, H.-G., Vossel, G., Ashcroft, K.R. & Busuttil, A. (2002). Phasic heart rate as an index in the Guilty Actions Test for the psychophysiological detection of concealed information. 42nd Annual Meeting of the Society for Psychophysiological Research, Washington, D.C., October.
2002 Gödert, H.W., Vossel, G., Rill, H.-G., Busuttil, A. & Ashcroft, K.R. (2002). Forensic Psychophysiology: The utility of phasic heart rate for the differentiation of guilty knowledge, innocent knowledge, and lack of knowledge about crime details. 30th Annual Scientific Meeting of the British Psychophysiology Society, Glasgow, September.
2002 Gödert, H.W., Vossel, G., Rill, H.-G., Gamer, M., Busuttil, A. & Ashcroft, K.R. (2002). Dichotomization theory and the psychophysiological detection of concealed information. 30th Annual Scientific Meeting of the British Psychophysiology Society, Glasgow, September
2002 Rill, H.-G., Gamer, M., Gödert, H.W., Vossel, G., Ashcroft, K.R. & Busuttil, A. (2002). Detecting concealed information using the Guilty Knowledge Test with visual stimuli: A study of the effects of linguistic versus photographic presentation. 30th Annual Scientific Meeting of the British Psychophysiology Society, Glasgow, September.
2002 Rill, H.-G., Gödert, H.W., Vossel, G., Busuttil, A. & Ashcroft, K.R. (2002). The psychophysiological detection of concealed information: A comparison of written versus pictorial stimulus presentation on skin conductance response and phasic heart rate. 42nd Annual Meeting of the Society for Psychophysiological Research, Washington, D.C., October.
SELECTED PRESENTATIONS
2003 Dr Keith Ashcroft, “Neuropsychological Impairment Paedophilic Offenders” Forensic Medicine Unit, Medical School, University of Edinburgh, for the Certificate Course in Forensic Medicine.
1991 Dr Keith Ashcroft, “Evaluation of a Psychophysiological Model of Classical Fear Conditioning in Anxious Patients”. Academic Clinical Psychology Unit, Manchester Medical School.
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