Glossary F

Featural analysis refers to a model of perception emphasizing the analysis of a stimulus into parts, called features.

Feature is defined as a component, or part, of an object, event, or representation.

- Feature comparison model of semantic memory : Feature comparison model of semantic memory refers to a model of Semantic memory which posits that words or concepts are mentally represented in terms of a set of elements called features.

Feature detector refers to neuron whose responses indicate the presence of a particular feature. Feature detectors are a neuron that responds selectively to a specific feature of the stimulus.

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.