Biophysical Science

Biophysical Science

Biophysical Science

Biophysical Science

Excerpt

The first two chapters were chosen as biophysical topics, the ideas of which are intuitively familiar to a wide group of potential readers. These two chapters on "Sound and the Ear" and "Light and the Eye" emphasize basic concepts such as the physical nature of the stimuli and the anatomical character of the receptors. The ideas of Chapters 1 and 2 are extended in Chapter 3, "Special Uses of Sensory Systems," to unique applications of auditory and visual information by several animal species --uses which man can duplicate only with electronic equipment.

Sensory systems form links between the central nervous system and the external world. Biophysicists study not only hearing and vision, but also other sensory systems such as taste, proprioception, and balance. However, the special senses of hearing and vision appear more appropriate for textbook material since they have been studied in greater detail.

Ultimately, a discussion of hearing must involve such complex concepts as nerve mechanism and information theory. These are presented in later chapters, following more general developments, namely, in Chapter 6, Part B, and Chapter 25, Part E. Likewise, additional topics in the field of vision are included in Chapter 7, Part B, Chapter 19, Part D, and Chapter 25, Part E.

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