Penn Bioengineering Lie Detector


Class: BE-309
Group: T3
Members: Anastasios Argeros, Eric Brahin, Mike Dolan, Jenny Li, Bryan Wells
Date: Fall 1998
Full Text

Abstract:
The experimental goal of building a "lie detector"; an experimental apparatus consisting of a variety of sensors that would monitor the physiological changes in an individual when he/she is lying was accomplished. The capability of distinguishing between a resting vs. nervous; heart rate, galvanic skin response, degree of fidgeting and respiratory capacity of 102.1 vs. 76.9 bepm (beats per minute), |1.421| Volts vs. |0.172| Volts, |0.3| Volts vs. |0.06| Volts, and |1.113| Volts vs. |0.366| Volts, respectively is indicative of the realization of the first goal (see figures in appendix). A secondary goal of developing a formula-based approach of analyzing sensor data in an attempt to state with statistical accuracy the probability that an individual lied was not accomplished. It was concluded that the more practical and feasible manner of analyzing the data by direct observation of the EEG readouts is better suited for the purposes of this experiment.