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DOI: 10.1148/radiol.2382050237
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Brain Mapping of Deception and Truth Telling about an Ecologically Valid Situation: Functional MR Imaging and Polygraph Investigation—Initial Experience1

Feroze B. Mohamed, PhD, Scott H. Faro, MD, Nathan J. Gordon, MA, Steven M. Platek, PhD, Harris Ahmad, MD and J. Michael Williams, PhD

1 From the Department of Radiology, Functional Brain Imaging Center, Temple University Hospital and School of Medicine, 3401 N Broad St, Philadelphia, PA 19140 (F.B.M., S.H.F., H.A.); Department of Psychology, Evolutionary Cognitive Neuroscience Laboratory, Drexel University, Philadelphia, Pa (S.M.P., J.M.W.); and Academy of Scientific and Investigative Training, Philadelphia, Pa (N.J.G.). Received February 14, 2005; revision requested April 13; revision received May 25; accepted June 21, 2005; final version accepted July 27. Address correspondence to F.B.M. (e-mail: feroze{at}temple.edu).


Figure 1
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  		Figure 1: Diagram shows hypothetical model of deception. GSR = guilty subject response.

 

Figure 2
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  		Figure 2: Diagram shows functional MR imaging analysis strategy for guilty subjects (GS).

 

Figure 3
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  		Figure 3: Diagram shows functional MR imaging analysis strategy for nonguilty subjects (NGS). C + R = control and relevant.

 

Figure 4
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  		Figure 4: Functional MR images show significant areas (P < .001, spatial extent threshold > 10 for lie condition 1; P < .005, spatial extent threshold > 10 for lie conditions 2 and 3) of activation that are seen across the three lie conditions. Functional MR images were obtained with an echo-planar pulse sequence (4000/54) and show, A, anterior cingulate (sagittal section); B, left inferior frontal gyrus (sagittal section); C, left precentral gyrus (sagittal section); D, precuneus (sagittal section); E, inferior parietal lobule (sagittal section); F, sublobar insula or thalamus (sagittal section); G, posterior cingulate (transverse section [arrow]); H, left lingual gyrus (transverse section [arrow]); I, right fusiform gyrus (transverse section [arrow]); J, left medial frontal gyrus (transverse section); K, right hippocampus (coronal section); and L, right middle temporal (transverse section).

 

Figure 5
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  		Figure 5: Functional MR images show significant areas (P < .005, spatial extent threshold > 10) of activation that are seen during the truth condition. Functional MR images were obtained by using an echo-planar pulse sequence (4000/54) and show, A, precentral gyrus (transverse section); B, subcallosal gyrus or lentiform nucleus (transverse section); C, inferior temporal (transverse section); D, precuneus (sagittal section); E, posterior cingulate (sagittal section); and F, parietal lobule (sagittal section).

 




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