Consistent with what he says in the above Third Meditation passage, Descartes says in other places that an idea is "the form of any given thought, immediate perception of which makes me aware of the thought" (AT VII 160; CSM II 113).
PBD patients had higher scores on the psychotic experiences subscale that support the use of a dimensional assessment of the severity of thought and perception disorders, for example the Clinician-Rated Dimensions of Psychosis Symptom Severity introduced in DSM-5, Section III.
One of Husserl's principal points of departure in his early treatment of intentionality (in the Logical Investigations [1900] 1970) was his criticism of (what he took to be) Brentano's notion of the 'mental inexistence' of the objects of thought and perception.
Feyerabend characterized this wider notion of incommensurability as a historical, anthropological thesis (1975, 271), but also applied it to different stages of the development of thought and perception in the individual (1975, 274).
So construed, the sense data theory contrasts with two competing schools of thought in the philosophy of perception.
Just as in the way a new shape of thought, Perception, had been generated from the internal contradictions that emerged within Sense-certainty, the collapse of any given attitude will be accompanied by the emergence of some new implicit criterion that will be the basis of a new emergent attitude.
What's at fault is simply that physics is highly specialized, and that's not enough to raise it above everyday experience, which depends on the same mechanics of thought, perception, and transforming raw data into the world around us.
In view of the strong association between psychotic disorders and substances use disorder [ 17, 21], the administration of a urine drug test alongside SCID-I would have enhanced the accuracy of sample selection and thus the characterization of thought and perception disorders in the two diagnostic groups.
The philosophy of mind is specifically concerned with quite general questions about the nature of mental phenomena: what, for example, is the nature of thought, feeling, perception, consciousness, and sensory experience?
