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James J Gibson QUOTES / QUOTATIONS
A mechanical encounter or other energy-exchange may cause tissue damage.
Quotation of James J Gibson
At one extreme stands the fact that educated adults have a conception of space, i.e., mathematical or geometrical space, Euclidean, Cartesian, non-Euclidean, etc.
Quotation of James J Gibson
But the object, place, substance, event, or animal that affords injury need not be encountered; it can be avoided, escaped or averted, if perceived.
Quotation of James J Gibson
But, in general, the centimeter-gram-second system of physics can only be applied at present to uninteresting events in the visible environment.
Quotation of James J Gibson
Hence it is that the shape of something is especially meaningful.
Quotation of James J Gibson
I also assume that they are not simply the physical properties of things as now conceived by physical science. Instead, they are ecological, in the sense that they are properties of the environment relative to an animal.
Quotation of James J Gibson
I assume that affordances are not simply phenomenal qualities of subjective experience (tertiary qualities, dynamic and physiognomic properties, exc.).
Quotation of James J Gibson
If we understand the notion of medium, I suggest, we come to an entirely new way of thinking about perception and behaviour.
Quotation of James J Gibson
Psychology is still trying to explain the perception of the position of an object in space, along with its shape, size, and so on, and to understand the sensations of color.
Quotation of James J Gibson
Roughly, the affordances of things are what they furnish, for good or ill, that is, what they afford the observer.
Quotation of James J Gibson
The abstract analysis of the world by mathematics and physics rests on the concepts of space and time.
Quotation of James J Gibson
The human young must learn to perceive these affordances, in some degree at least, but the young of some animals do not have time to learn the ones that are crucial for survival.
Quotation of James J Gibson
The hypothesis that things have affordances, and that we perceive or learn to perceive them, is very promising, radical, but not yet elaborated.
Quotation of James J Gibson
The meaning or value of a thing consists of what it affords.
Quotation of James J Gibson
The perception of what a thing is and the perception of what it means are not separate, either.
Quotation of James J Gibson
There has been a great gulf in psychological thought between the perception of space and objects on one hand and the perception of meaning on the other.
Quotation of James J Gibson
To perceive that a surface is level and solid is also to perceive that it is walk-on-able.
Quotation of James J Gibson
What a thing is and what it means are not separate, the former being physical and the latter mental as we are accustomed to believe.
Quotation of James J Gibson