location
refers to the scalp distribution of the EEG rhythms or patterns
frequency
how often a changing signal repeats itself (unit is in Hz)
amplitude
height of the wave in mm
voltage
amplitude x sensitivity =uv
morphology
the shape of the wave form
quantity
amounts of a particular type of EEG activity with respect to the percent time present and/or to voltage
periodicity
refers to occurring regularly
functional properties
variations that occur in relation to changes in age, to shifts in level of consciousness and during the alert state in reaction to mental alerting