A computerized method for assessing cognitive function, the method comprising: - receiving, at an assessment computer, demographics data relating to an individual, including information relating to portable touchscreen personal computing device geographic location; - correlating a portable touchscreen personal computing device geographic location with at least one environmental factor; - providing, by a first 802.11 x protocol communication, at least one cognitive assessment test to the portable touchscreen personal computing device, which, when executed by the portable touchscreen personal computing device enables self administration of the at least one cognitive assessment test by the individual by: ∘ generating cognitive assessment stimuli perceptible to the individual; ∘ receiving responses to the stimuli from the individual via touchscreen activations; ∘ measuring reaction times of the responses to the stimuli; and ∘ transmitting the received responses and measured reaction times to the assessment computer for storage in a database; - receiving, by a second 802.11 x protocol communication, first cognitive assessment performance data relating to the individual, said first cognitive assessment performance including the received responses and measured reaction times; - generating performance metrics including at least a first cognitive baseline for the individual based at least on the first cognitive assessment performance data; and - comparing, by the assessment computer, at least a first cognitive baseline with performance data of other individuals with common demographic characteristics based on the at least one environmental factor. - receiving, at an assessment computer, demographics data relating to an individual, including information relating to portable touchscreen personal computing device geographic location; - correlating a portable touchscreen personal computing device geographic location with at least one environmental factor; - providing, by a first 802.11 x protocol communication, at least one cognitive assessment test to the portable touchscreen personal computing device, which, when executed by the portable touchscreen personal computing device enables self administration of the at least one cognitive assessment test by the individual by: ∘ generating cognitive assessment stimuli perceptible to the individual; ∘ receiving responses to the stimuli from the individual via touchscreen activations; ∘ measuring reaction times of the responses to the stimuli; and ∘ transmitting the received responses and measured reaction times to the assessment computer for storage in a database; ∘ generating cognitive assessment stimuli perceptible to the individual; ∘ receiving responses to the stimuli from the individual via touchscreen activations; ∘ measuring reaction times of the responses to the stimuli; and ∘ transmitting the received responses and measured reaction times to the assessment computer for storage in a database; - receiving, by a second 802.11 x protocol communication, first cognitive assessment performance data relating to the individual, said first cognitive assessment performance including the received responses and measured reaction times; - generating performance metrics including at least a first cognitive baseline for the individual based at least on the first cognitive assessment performance data; and - comparing, by the assessment computer, at least a first cognitive baseline with performance data of other individuals with common demographic characteristics based on the at least one environmental factor.