Brainwave Profiling

In cases where there is a paucity of evidence to either convict or exonerate Brainwave Profiling allows us to search for actual memory traces of the crime itself that are stored in the brain, almost indefinitely. Thus it is possible to match evidence from the crime scene, for example, photographs of the mode of entry to a building where a homicide occurred, or the type of weapon used, with the suspect’s or convicted person’s store of memories.

Stimuli in various formats such as words or, pictures, which are directly relevant to a particular crime, are presented very quickly, along with other neutral, or foil stimuli. At the same time the electrical activity of the brain is measured from electrodes are placed on the scalp; a particular type of measurement is taken from this data known as the ‘P300’ component, which relates to a response occurring in the brain approximately 300 milliseconds after a ‘significant’ event has taken place. The significance in such a forensic setting would be that the individual to recognises the stimuli by virtue of this being stored in his or her memory. Therefore, such data can be used either to assist in exoneration or conviction. The elegance of this technique lies in the fact that only the perpetrator of the crime would have a ‘P300’ Brainwave Profile to crime-relevant information, while the innocent would not.

CFN Limited exclusively uses a NEURO PRAX ® 32-bit DC-AMPLIFIER (1), which permits real time analysis event-related brain potentials, which is fully portable and suitable for field operations.