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Transpersonal In psychology and the cognitive sciences, perception is the process of attaining awareness or understanding of sensory information. It is a task far more complex than was imagined in the 1950s and 1960s, when it was predicted that building perceiving machines would take about a decade, a goal which is still very far from fruition. The word perception comes from the Latin words perception, percepio, meaning "receiving, collecting, action of taking possession, apprehension with the mind or senses."[1] What one perceives is a result of interplays between past experiences, one’s culture and the interpretation of the perceived. If the percept does not have support in any of these perceptual bases it is unlikely to rise above perceptual threshold. Perception gives rise to two types of consciousness; phenomenal and psychological. The difference everybody can demonstrate to himself/herself by simple opening and closing his/her eyes. Phenomenal consciousness is full of rich sensations that are hardly present when eyes are closed. Psychological consciousness is well researched and measured. It occurs half a second after a stimulus starts. If a weak stimulus lasts less, it is unlikely to be perceived. The capacity of psychological consciousness is also well measured. Depending on methods used the capacity ranges between seven and forty symbols or percepts at one time.
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