DeepDyve eBooks - A system of psychology.

Introduction.

Dunlap, Knight

Pages: 1 –11

It is much easier to tell the beginner what psychology is not than it is to tell him what psychology is. In order that one may have a definite idea of what psychology is, he must know some psychology; and a person who has not studied the subject under competent guidance is not apt to know any...

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Preliminary analysis of content.

Dunlap, Knight

Pages: 12 –17

The content of your experience at any given moment in your life history is exceedingly complex. Although the content of experience is demonstrably composed of a multitude of parts or elements in complicated organic interrelation, it does not follow that experience itself is complex. This has been...

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Sensation in general.

Dunlap, Knight

Pages: 18 –37

This chapter focuses on sensation in general, beginning with a discussion of sensation, physical stimulus, and psychological processes. The author then turns to the idea of matter and psycho-physical causation. Understanding that sensation is not the same thing as the stimulus which may...

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Sensation quality.

Dunlap, Knight

Pages: 38 –100

The various qualities of sensation are commonly divided into groups, each of which is said to "belong to" a definite sense. The term "sense" is used very loosely. Sometimes it indicates the group of sensations, sometimes the abstract possibility of experiencing these, and sometimes the entire...

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Thresholds of consciousness.

Dunlap, Knight

Pages: 101 –108

In this chapter on thresholds of consciousness, the author focuses first on stimulus thresholds; in order that a stimulus may produce a sensation it must satisfy certain limiting conditions called stimulus-thresholds. There are, however, other thresholds which are not the measurements of stimuli...

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Sensation-intensity.

Dunlap, Knight

Pages: 109 –119

The intensity of sensation depends in general on the intensity of the process in the end-organ and brain, which in turn depends in part on the intensity of the physical stimulus. There are, therefore, two relations to be considered: (1) the relation between the stimulus and the nervous process,...

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Protensity and extensity of sensation.

Dunlap, Knight

Pages: 120 –136

This chapter focuses on the protensity and extensity of sensation. The duration or protensity of a sensation is to be discriminated from the duration of the experience, and from the duration of the stimulus. Extensity is related to space as protensity is to time; it can best be demonstrated in...

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Local significance.

Dunlap, Knight

Pages: 137 –145

Sensations of touch and temperature on any part of the body are "localized" more or less correctly; that is, are felt as coming from the locality of actual origin. This discrimination must be based on differences in the sensations from the different regions, which sensations we have come to be...

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Relational elements in the content of consciousness.

Dunlap, Knight

Pages: 146 –152

This chapter focuses on relational elements in the content of consciousness. Just as you directly perceive sensations, so you perceive relations. In the treatment of relation we encounter much more difficulty than in the treatment of sensation, because of the way in which relations complicate...

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A system of psychology.

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A system of psychology.

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