The senses and the intellect.

  • Alexander Bain
Date:
1874
Catalogue details

Licence: Public Domain Mark

Credit: The senses and the intellect. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    Page. 8. Other painful sensations of the skin—Tickling .. .. 169 9. (II.) Sensations of Temperature (Intellectual) .. .. 170 10. (III.) The Intellectual Sensations of Touch proper:—(1.) Im- pressions of distinguishable Points—Weber's observations 172 11. (2.) Sensations of Pressure .. .. ,. .. 176 12. (IV.) Sensations of Touch involving Muscular perceptions:— Weight, Pressure, Ptesistance ; Elasticity ; Eoughness, and Smoothness; increase of sensibility by movement .. 177 13. Extension ;—movement by itself inadequate to give the Motion of Extended Matter, or of Space. How the sense of Touch contributes to this perception. Elements of the contrast between the Successive and the Co-existing. Lineal ex- tent; superficial extent; solid extent .. .. .. 181 14. Distance, Direction, Situation, Form .. .. .. 186 15. Accompaniment of activity in the senses generally .. ., 188 16. Touch concerned in handicraft operations ,. ., ., 189 17. How far Touch can be a substitute for sight .. .. ib. 18. Subjective feelings of Touch .. .. ,,, ., ib. SENSE OF HEARING. 1. Objects of Hearing .. .. ,. .. ., 190 2. The Ear .. .. .. ,. .. ,. ib. 3. Action of the parts of the ear in the sensation of sound . „ 194 4. Sensations of Sound ; their classification .. ,, ., 196 5. Sweetness .. .. .. .„ ., ., 197 6. Intensity or Loudness : Suddenness .. ,, , ^ ] 98 7. Volume or Quantity .. ,, ., ., ^,. . 199 8. Pitch, or Tune .. .. (,. . ,. ^, 200 9. Waxing and waning of sound .. . ^ ., . „ ib. 10. Complexity: Discord and Harmony c. .. 0. 201 11. Timbre ., r, ,, ,. „, ,. 202 12. Articulate sounds. Helmholtz's explanation of the vowel sounds ib. 13. Distance ,, .. no .. .. .. 203 14. Direction .. ,, ,, .. .. .„ 204 15. Duration of an impression of sound .. .. ,, 205 16. Subjective sensations of sound ,. .e .* .. 206 SENSE OF SIGHT. 1. Objects of Sight .. .. ,. ., .^ ib. 2. The Eye ,. .. 2O8 3. Conditions of perfect vision ., ,. ,. ., 219 4. Adaptation of the eye to vision at different distances .. ., 222 5. Of single vision with two eyes. Binocular Vision:—Wheatstone's experiments .. .. ., ., ,, 223 6. Erect vision from inveited images .. .. ,, ,, 226
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