'absence of perception' is correct and usable in written English.
You can use it to describe a lack of knowledge or understanding. For example: "Due to his absence of perception, he could not see the dangers of the situation."
Under the type "substance," the claim of "darkness" was rejected on the ground that it is nothing but absence of perception of colour; the resulting list of nine substances is the same as that of the Vaisheshikas.
In view of the absence of perception of light, as well as her systemic status, vitrectomy was not resorted to.
5 The most significant barrier to early HIV testing is the absence of perception of risk for HIV.
Each participant received standard instructions, specifying that score 0 represented the absence of perception, score 5 represented a sensation of discomfort and score 6 represented a sensation of pain that caused an immediate interruption of the stimulus.
We extend previous research relating perceptions of inequity to reporting decisions by demonstrating that, in the absence of perceptions of inequity, reporting decisions are consistent with the conventional economic prediction.
When dichotomous indicators of risk and severity were used in the analysis, these responses were aggregated with the other low risk or low severity responses for analysis purposes on the basis that these responses indicated an absence of perceptions of high risk or high severity.
Furthermore, although each elementary operation can proceed subliminally, their chaining does not occur in the absence of conscious perception.
The question remains whether frequent stimuli processed in the absence of conscious perception also induce repetition suppression in those specialized networks.
In the absence of taste perception, males were forming chains of usually 3 4 individuals within an average of 5 minutes after being placed into the dish.
(a) Studies of blindsight patients [7] and studies using subliminal masking in normal individuals [8] have shown that non-symbolic stimuli such as emotional faces can induce a modulation of amygdala activity in the absence of conscious perception.
