More important, though, was an all too perceptible coolness towards the concept on the part of professional leaders and bodies representing NHS and local government interests.
Descriptive concepts are directly perceptible and testable with easily perceived causal agents and they develop through exposure and experience.
Here, we consider a second sense of the term abstract, one consistent with Paivio's (1965) work, suggesting that nouns exist on a spectrum ranging from concrete to abstract, and that nouns representing concepts referring to perceptible objects evoke the most vivid mental imagery.
Theoretical concepts are not directly perceptible, they can only be indirectly tested and have no perceived causal agent.
In the heritage field, this concept, including the synonymous term 'just perceptible colour difference', JND has mainly been used to understand the effect of illumination [17 20] despite the fact that the magnitude of a just noticeable difference remains ill-defined.
William speaks of the intellect as able, under the prompting of the senses, to consider the substances that underlie sensible accidents, and speaks of the intellect as "abstracting" from sense experience in the sense that it forms concepts of so-called "vague individuals" by stripping away perceptible features that serve to distinguish one individual from another.
In the writings of Avicenna, ma'nâ may mean "concept", but also "meaning" of a word, or something "intelligible" by the intellect, or "perceptible" by estimation but not by the external senses (on estimation see section 5.1).
After the end of the proof of concept, the log files were extracted from the system, and carefully analysed to take out of them a perceptible track of the actual user activities performed and logged.
There is no perceptible alternative.
