Glossary F

Feature integration theory refers to a proposal that perception of familiar stimuli occurs in two (2) stages. The first, automatic, stage involves the perception of object features. The second, attentional, stage involves the integration and unification of those features. Feature integration theory is a sequence of steps proposed by Treisman to explain how an object is broken down into features and how these features are recombined to result in a perception of the object.
Feature level is defined as a level of written language perception in which a visual stimulus is represented in terms of the physical features that comprise a letter of the alphabet, such as a vertical line, a curved line, and so on.
Feature search means simply scanning the environment for a particular feature or features; a visual search task in which a person can find a target by searching for only one feature. An example would be looking for a horizontal green line among vertical green lines.

Feature-integration theory that which explains the relative ease of conducting feature searches and the relative difficulty of conducting conjunction searches

- Feature-list models (of semantic memory) : Feature-list models (of semantic memory ) refer to Models of semantic memory that hold that language concepts or words can be defined in terms of lists of the characteristics or features they possess.
Feces is defined as any materials left over after digestion.

Fechner's law (p=k log (S)) refers to the logarithmic relation, developed by Fechner, of sensation to stimulus intensity: (p=k log (S))

Fecophilia which is also called Coprophilia refers to a psychiatric term that refers to morbid attraction to, and sexual interest in "fecal matter".

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