ASTM_E_2439_-_09.pdf

Designation:E243909Standard Guide forInstrumentation,Sensors and Operating Software Used inForensic Psychophysiological Detection of Deception(Polygraph)Examinations1This standard is issued under the fixed designation E2439;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide covers the minimum requirements for instru-mentation(both analog and computerized systems),sensorsand operating software used in the forensic psychophysiologi-cal detection of deception(PDD).As a minimum,suchinstrumentation shall simultaneously record an individualsrespiratory,electrodermal,and cardiovascular activity.1.2 This guide does not prohibit additional components,which may be offered as supplemental measurements ofphysiological change.Additional recording components maybe used in addition to but not to replace the required minimumcomponents.2.Referenced Documents2.1 ASTM Standards:2E1954 Practice for Conduct of Research in Psychophysi-ological Detection of Deception(Polygraph)E2000 Guide for Minimum Basic Education and Training ofIndividuals Involved in the Detection of Deception(PDD)E2035 Terminology Relating to Forensic Psychophysiology2.2 Other Document:Manufacturer Manual(s)for System(s)in Use3.Terminology3.1 Definitions of TermsSee E2035.3.2 Terminology may vary according to different manufac-turers.4.Significance and Use4.1 This guide sets forth the minimum requirements forinstrumentation and software when conducting PDD examina-tions.For additional information see Practice E1954 and GuideE2000.5.Minimum Requirements for PolygraphInstrumentation and Software5.1 A minimum of two channels of respiratory activity shallbe simultaneously recorded,one thoracic and one abdominal.5.1.1 A minimum of one channel of exosomatic electroder-mal activity,via resistance or conductance,shall be recorded.5.1.2 A minimum of one channel of cardiovascular activityshall be recorded.5.1.3 Additional channels may be recorded but shall not beused in place of respiration,electrodermal and cardiovascularactivity.5.1.4 The instrumentation and software shall allow a way tomark the recorded information with the following minimumnotations:identity of examinee,date and time,start of record-ing,pressure settings(when appropriate),gain settings,anyinstructions given examinee,stimulus onset,stimulus identifi-cation,end of stimulus,any answer given by examinee,standardized chart markings,end of recording and any changesmade to the instrumentation or software during recording(suchas pressure changes,centering adjustments and gain adjust-ments).5.1.5 All mandatory channels shall be recorded within thesame instrument.5.1.6 All polygraphs shall include a separate data channelspecifically designed to record covert body movements.6.Respiratory Activity6.1 Respiratory activity shall be recorded via pneumaticbellows or other transducers that give continuous measure ofabdominal and thoracic girth.7.Electrodermal Activity7.1 Electrodermal activity shall be recorded via skin resis-tance or skin conductance.1This guide is under the jurisdiction of ASTM Committee E52 on ForensicPsychophysiology and is the direct responsibility of Subcommittee E52.02 onInstrumentation.Current edition approved Dec.1,2009.Published January 2010.Originallyapproved in 2005.Last previous edition approved in 2005 as E2439 05.DOI:10.1520/E2439-09.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 7.2 Sensors used to record skin resistance or skin conduc-tance should be wetAg/AgCl electrodes,dry electrodes may beused.8.Cardiovascular Activity8.1 Cardiovascular activity shall be recorded via bloodpressure cuff or its equivalent.9.Additional Channels9.1 Additional channels may be offered as supplementalmeasurements of physiological change.9.2 These additional channels shall meet original manufac-turers specifications and the PDD examiner shall follow themanufacturers guidelines for the recording device(s).10.Keywords10.1 respiratory activity;electrodermal activity;cardiovas-cular activity;forensic psychophysiology and psychophysi-ological detection of deception(PDD);stimulus onset;chartmarkings;instrument;polygraphASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standar