Response in the Living and Non-Living | Page 2

continuous stimulation--Staircase
effect--Reversed responses due to molecular modification in nerve and
in metal, and their transformation into normal after continuous
stimulation--Increased response after continuous stimulation 118
CHAPTER XV

INORGANIC RESPONSE--RELATION BETWEEN STIMULUS
AND RESPONSE--SUPERPOSITION OF STIMULI
Relation between stimulus and response--Magnetic analogue--Increase
of response with increasing stimulus--Threshold of
response--Superposition of stimuli--Hysteresis 131
CHAPTER XVI
INORGANIC RESPONSE--EFFECT OF CHEMICAL REAGENTS
Action of chemical reagents--Action of stimulants on metals--Action of
depressants on metals--Effect of 'poisons' on metals--Opposite effect of
large and small doses 139
CHAPTER XVII
ON THE STIMULUS OF LIGHT AND RETINAL CURRENTS
Visual impulse: (1) chemical theory; (2) electrical theory--Retinal
currents--Normal response positive--Inorganic response under stimulus
of light--Typical experiment on the electrical effect induced by light
148
CHAPTER XVIII
INORGANIC RESPONSE--INFLUENCE OF VARIOUS
CONDITIONS ON THE RESPONSE TO STIMULUS OF LIGHT
Effect of temperature--Effect of increasing length of
exposure--Relation between intensity of light and magnitude of
response--After-oscillation--Abnormal effects: (1) preliminary negative
twitch; (2) reversal of response; (3) transient positive twitch on
cessation of light; (4) decline and reversal--Résumé 158
CHAPTER XIX
VISUAL ANALOGUES

Effect of light of short duration--After-oscillation--Positive and
negative after-images--Binocular alternation of vision--Period of
alternation modified by physical condition--After-images and their
revival--Unconscious visual impression. 170
CHAPTER XX
GENERAL SURVEY AND CONCLUSION 181
INDEX 193

ILLUSTRATIONS
FIG. PAGE
1. MECHANICAL LEVER RECORDER 3
2. ELECTRIC METHOD OF DETECTING NERVE RESPONSE 6
3. DIAGRAM SHOWING INJURED END OF NERVE
CORRESPONDS TO 8 COPPER IN A VOLTAIC ELEMENT
4. ELECTRIC RECORDER 11
5. SIMULTANEOUS RECORD OF MECHANICAL AND
ELECTRICAL 13 RESPONSES
6. NEGATIVE VARIATION IN PLANTS 19
7. PHOTOGRAPHIC RECORD OF NEGATIVE VARIATION IN
PLANTS 20
8. RESPONSE RECORDER 21
9. THE COMPENSATOR 22
10. THE SPRING-TAPPER 23

11. THE TORSIONAL VIBRATOR 24
12. RESPONSE IN PLANT TO MECHANICAL TAP OR
VIBRATION 25
13. INFLUENCE OF SUDDENNESS ON THE EFFICIENCY OF 26
STIMULUS
14. THE METHOD OF BLOCK 28
15. RESPONSE IN PLANT COMPLETELY IMMERSED UNDER
WATER 29
16. UNIFORM RESPONSES IN PLANT 36
17. FUSION OF EFFECT UNDER RAPIDLY SUCCEEDING
STIMULI IN 36 MUSCLE AND IN PLANT
18. ADDITIVE EFFECT OF SINGLY INEFFECTIVE STIMULI ON
37 PLANT
19. 'STAIRCASE EFFECT' IN PLANT 37
20. APPEARANCE OF FATIGUE IN PLANT UNDER SHORTENED
39 PERIOD OF REST
21. FATIGUE IN CELERY 40
22. FATIGUE IN CAULIFLOWER-STALK 41
23. FATIGUE FROM PREVIOUS OVERSTRAIN 41
24. FATIGUE UNDER CONTINUOUS STIMULATION IN CELERY
42
25. EFFECT OF REST IN REMOVAL OF FATIGUE IN PLANT 43
26. DIPHASIC VARIATION IN PLANT 46

27, 28. ABNORMAL POSITIVE RESPONSES IN STALE PLANT 48,
49 TRANSFORMED INTO NORMAL NEGATIVE UNDER
STRONG STIMULATION
29. RADIAL E.M. VARIATION 50
30. CURVES SHOWING THE RELATION BETWEEN INTENSITY
OF 52 STIMULUS AND RESPONSE IN MUSCLE AND NERVE
31. INCREASING RESPONSES TO INCREASING STIMULI (TAPS)
IN 52 PLANTS
32. INCREASING RESPONSES TO INCREASING VIBRATIONAL
53 STIMULI IN PLANTS
33. RESPONSES TO INCREASING STIMULI IN FRESH AND
STALE 54 SPECIMENS OF PLANTS
34. APPARENT DIMINUTION OF RESPONSE CAUSED BY
FATIGUE 57 UNDER STRONG STIMULATION
35. DIMINUTION OF RESPONSE IN EUCHARIS LILY AT LOW
61 TEMPERATURE
36. RECORDS SHOWING THE DIFFERENCE IN THE EFFECTS
OF LOW 62 TEMPERATURE ON IVY, HOLLY, AND EUCHARIS
LILY
37. PLANT CHAMBER FOR STUDYING THE EFFECT OF
TEMPERATURE 64 AND ANÆSTHETICS
38. EFFECT OF HIGH TEMPERATURE ON PLANT RESPONSE 64
39. AFTER-EFFECT ON THE RESPONSE DUE TO
TEMPERATURE 66 VARIATION
40. RECORDS OF RESPONSES IN EUCHARIS LILY DURING
RISE 67 AND FALL OF TEMPERATURE

41. CURVE SHOWING VARIATION OF SENSITIVENESS
DURING A 68 CYCLE OF TEMPERATURE VARIATION
42. RECORD OF EFFECT OF STEAM IN ABOLITION OF
RESPONSE 69 AT DEATH OF PLANT
43. EFFECT OF CHLOROFORM ON NERVE RESPONSE 72
44. EFFECT OF CHLOROFORM ON THE RESPONSES OF
CARROT 74
45. ACTION OF CHLORAL HYDRATE ON PLANT RESPONSES
75
46. ACTION OF FORMALIN ON RADISH 75
47. ACTION OF SODIUM HYDRATE IN ABOLISHING THE
RESPONSE 78 IN PLANT
48. STIMULATING ACTION OF POISON IN SMALL DOSES IN 79
PLANTS
49. THE POISONOUS EFFECT OF STRONGER DOSE OF KOH 79
50. BLOCK METHOD FOR OBTAINING RESPONSE IN TIN 83
51. RESPONSE TO MECHANICAL STIMULATION IN A Zn-Cu
COUPLE 85
52. ELECTRIC RESPONSE IN METAL BY THE METHOD OF
RELATIVE 88 DEPRESSION (NEGATIVE VARIATION)
53. METHOD OF RELATIVE EXALTATION 89
54. VARIOUS CASES OF POSITIVE AND NEGATIVE
VARIATION 90
55. MODIFICATIONS OF THE BLOCK METHOD FOR
EXHIBITING 93 ELECTRIC RESPONSE IN METALS

56. EQUAL AND OPPOSITE RESPONSES GIVEN BY TWO ENDS
OF 95 THE WIRE
57. TOP VIEW OF THE VIBRATION CELL 96
58. INFLUENCE OF ANNEALING IN THE ENHANCEMENT OF
101 RESPONSE IN METALS
59. UNIFORM ELECTRIC RESPONSES IN METALS 102
60. PERSISTENCE OF AFTER-EFFECT 105
61. PROLONGATION OF PERIOD OF RECOVERY AFTER
OVERSTRAIN 106
62. MOLECULAR MODEL 107
63, 64. EFFECTS OF REMOVAL OF MOLECULAR
SLUGGISHNESS IN 109, 110 QUICKENED RECOVERY AND
HEIGHTENED RESPONSE IN METALS
65. EFFECT OF TEMPERATURE ON RESPONSE IN METALS 111
66.