14. The method as claimed in claim 13 , further comprising: receiving, at the processing device, further input signals representing one or more of: internal factors or external factors, and further using said received internal factor or external factors in determining said individual's emotional state.
14. The method as claimed in claim 13 , further comprising: receiving, at the processing device, further input signals representing one or more of: internal factors or external factors, and further using said received internal factor or external factors in determining said individual's emotional state. 15. The method as claimed in claim 14 , where a received signal representing an internal factor comprises: a signal representing one or more of: a hormone change and a biochemical change of the individual in a time period before, during, and after determining an emotional state change, a signal representing a detected change in an electromagnetic field in close proximity to the subject individual in the time period and context before, during, and after determining an emotional state change.