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The sentience quotient concept was introduced by Robert A. Freitas Jr. in the late 1970s.〔Dr. Freitas, Robert A. Jr., ''(Xenopsychology )'', Analog Science Fiction/Science Fact, Vol. 104, April 1984, pp 41-53〕 It defines sentience as the relationship between the information processing rate (bit/s) of each individual processing unit (neuron), the weight/size of a single unit and the total number of processing units (expressed as mass). This is a non-standard usage of the word "sentience" which in standard usage relates to an individual organism's capacity to perceive the world subjectively (The word "sentience" is derived from the Latin "sentire" meaning "to feel" and is closely related to the word "sentiment." Intelligence or cognitive capacity is better denoted by the word "sapience" and not "sentience.") The potential and total processing capacity of a brain, based on the amount of neurons and the processing rate and mass of a single one, combined with its design (myelin coating and specialized areas and so on) and programming, lays the foundations of the brain level of the individual. Not just in humans, but in all organisms, even artificial ones such as computers (although their "brain" is not based on neurons). ==Definition== The sentience quotient (SQ) of an individual is a measure of the efficiency of an individual brain, not its relative intelligence, and is defined as: :: where I is the information processing rate (bits/s) and M is the mass of the brain (kg). The lower limit of SQ is approximately −70, while the upper (quantum) limit is about 50.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「sentience quotient」の詳細全文を読む スポンサード リンク
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