An Essay on Laughter: Its Forms, Its Causes, Its Development and Its Value is a public-domain classic of psychology by James Sully.
The complete text is on this page and the chapter pages below — all 23 chapters, about 141,789 words (~12 hours of reading), free to read online with no signup. Chapters include “CHAPTER II.. The Smile and the Laugh.”, “CHAPTER III.. Occasions and Causes of Laughter.”, “CHAPTER IV.. Varieties of the Laughable.”, and more.
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THE SMILE AND THE LAUGH.
Need of studying the bodily process in laughter • 25
Characteristics of the movements of the smile • 26
Expressive function of the smile • 27
Continuity of processes of smiling and laughing • 27
Characteristics of the movements of laughter • 30
Concomitant organic changes during laughter • 33
Physiological benefits of laughing • 34
Effects of excessive laughter • 37
The laugh as expression • 39
Relation of expression to feeling in laughter • 40
Interactions of joyous feeling and organic concomitants • 44
Deviations from the normal type of laugh • 48
OCCASIONS AND CAUSES OF LAUGHTER.
1. Laughter as provoked by sense-stimulus: tickling • 50
Ticklish areas • 52
Characteristics of the sensations of tickling • 53
Motor reactions provoked by tickling • 56
How far attributes of sensation determine laughter of tickling • 57
The mental factor in effect of tickling • 59
Objective conditions of successful tickling • 60
Tickling as appealing to a particular mood • 62
2. Other quasi-reflex forms of laughter • 64
Varieties of automatic or “nervous” laughter • 65
Common element in these varieties: relief from strain • 67
3. Varieties of joyous laughter • 70
Prolonged laughing fit • 73
The essential element in joyous laughter • 75
Occasions of joyous laughter • 76
(a) Play • 76
(b) Teasing as provocative situation • 77
(c) Practical joking and laughter • 78
(d) Laughter as an accompaniment of contest • 78
(e) Occasions of unusual solemnity as provoking laughter • 79
Physiological basis of laughing habit • 80
VARIETIES OF THE LAUGHABLE.
The objective reference in laughter • 82
Universal element in the laughable • 83
Groups of laughable things • 87
(1) Novelty and oddity • 87
(2) Bodily deformities • 88
(3) Moral deformities and vices • 91
(4) Breaches of order and rule • 94
(5) Small misfortunes • 96
(6) References to the indecent • 98
(7) Pretences • 101
(8) Want of knowledge or skill • 102
(9) Relations of contrariety and incongruity • 107
(10) Verbal play and witticism • 111
Co-operation of different laughable features • 114
(11) Manifestations of playfulness in objects • 116
(12) Spectacle of successful combat • 117
THEORIES OF THE LUDICROUS.
1. The Theory of Degradation • 119
Aristotle’s theory • 120
Theory of Hobbes • 120
Prof. Bain’s theory • 121
Criticism of theory of degradation • 122
2. Theory of Contrariety or Incongruity • 125
Kant’s theory of nullified expectation • 126
Criticism of Kant’s theory • 126
Function of surprise in effect of the ludicrous • 129
Schopenhauer’s theory of incongruity • 130
Criticism of Schopenhauer’s theory • 132
Different forms of the incongruous • 134
Summary of criticism of theories • 135
Attempts to unify the two principles • 136
The laughable as failure to comply with a social requirement • 139
How primitive laughter comes into effect of the ludicrous • 140
Relation of sudden gladness to release from constraint • 141
Element of contempt in effect of the ludicrous • 142
Laughter and the play-mood • 145
The play-mood in the effects of the ludicrous • 149
Summary of results of inquiry into theories • 153
THE ORIGIN OF LAUGHTER.
Problem of the origin of laughter in the race • 155
Supposed rudiments of mirth in animals • 156
The dog’s manifestations of a sense of fun • 159
The mirthful displays of the ape • 162
First appearance of laughter in child: date of the first smile • 164
Date of the first laugh • 166
The laugh as following the smile • 168
Order of the two in the evolution of the race • 170
Conjecture as to genesis of the human smile • 171
How the primitive smile may have grown into the laugh • 173
Problem of the evolution of the laughter of tickling • 176
Effects of tickling in animals • 177
Date of first response to tickling in the child • 177
Tickling as inheritance from remote ancestors • 178
Value of evolutional theories of tickling • 181
How laughter may have come into tickling • 183
DEVELOPMENT OF LAUGHTER DURING THE FIRST THREE YEARS OF LIFE.
Problem of the early development of laughter in the individual • 186
Development of smile and laugh as movements • 188
The general process of emotional development • 189
Relation of laughter of joy to that of play • 194
Development of laughter of joy • 195
Emergence of laughter of surprise • 197
First laughter of release from strain • 197
Crude form of laughter of jubilation • 198
Development of laughter as accompaniment of play • 198
Early forms of laughing impishness • 201
First manifestations of rowdyish laughter • 203
Germs of roguish laughter • 205
First crude perceptions of the laughable • 207
The mirthful greeting of sounds • 209
Early responses to the funny in the visible world • 212
First enjoyment of pretences • 214
Early laughter at the improper • 215
Dim perceptions of the incongruous and the absurd • 216
Early sense of verbal fun • 217
Summary of results • 218
THE LAUGHTER OF SAVAGES.
Sources of our knowledge of savage laughter • 220
Different views of travellers on the subject • 220
Laughter as a salient characteristic of savages • 223
Descriptions of their movements of laughter • 227
Abundance of good spirits • 228
Laughter as accompaniment of shyness • 228
Laughter and fondness for teasing • 229
Rough practical jokes • 230
The way in which laughter is accepted • 232
Laughter of superiority and contempt • 233
Indecent character of jocosity • 234
Appreciation of the laughably odd • 235
Ridicule of foreign ways • 237
Laughter at the doings of the white man • 238
Laughter of the expert at the ignoramus • 240
Savage society and the white man’s gaucherie • 241
Germ of sense of the absurd • 242
The ridiculing of fellow-tribesmen • 244
Reciprocal laughter of the men and the women • 245
Example of dry humour • 246
Organisation of laughter as entertainment • 247
Germs of the mimetic art • 247
Differentiation of professional jesters, etc. • 249
Amusing songs and stories • 250
Co-existence of different levels of laughter • 251
How to manage the savage by laughter • 252
LAUGHTER IN SOCIAL EVOLUTION.
Connection between laughter and social life • 254
Contagiousness of mirth as social quality • 255
Social uses of laughter • 256
Class-differentiation as condition of laughter • 258
How social grouping widens the field of the laughable • 259
Utility of reciprocal group-laughter • 261
Screwing up members of other groups • 261
Laughter of superiors at inferiors • 263
Quizzing of authorities by subjects • 264
Mirthful turning on task-masters • 265
Woman’s laughing retort • 267
Corrective function of laughter of inferiors • 268
Conciliatory service of group-laughter • 269
Summary of social utilities of laughter • 271
Laughter of other groups as corrective of self-importance • 272
Social movements as influencing laughter • 272
Changes of fashion • 273
Fashion and custom • 275
Merry aspects of movements of fashion • 276
Droll side of descent of fashion to lower ranks • 277
Laughter at the old-fashioned • 279
The movement of progress • 279
Mirthful greeting of new ideas and practices • 280
Laughing away effete customs • 281
Influence of mirthful spirit on social changes • 283
Effect of evolution of culture groups • 283
Effect of minuter subdivision of sets • 285
Effect of progress in breaking down group-barriers • 286
Droll aspects of transition of society to a plutocratic form • 287
Refining effect of culture-movement on hilarity • 288
Decline of older voluminous merriment • 290
Conflict between popular mirth and authority • 291
Combination of standards in popular estimate of laughable • 293
Preparation for individual laughter • 295
LAUGHTER OF THE INDIVIDUAL: HUMOUR.
Definition of humour • 297
Characteristics of humour • 298
Intellectual basis of humorous sentiment • 300
Humorous contemplation as binocular • 301
The field of the laughable for the humorist • 302
Modification of the conative attitude in humour • 304
Complexity of humour as feeling • 305
Problem of fusion of dissimilar feelings • 307
Facts explained by our analysis of humour • 310
Variations of humour with race and nationality • 311
Temperament and individuality in humour • 313
Humour as enlarging range of laughing activity • 315
The finer detection of the amusing in character • 315
The appreciation of unfitness of men to circumstances • 317
Character-study as a pastime • 318
Laughter as permeating sphere of serious • 319
Effect of kindliness in extending range of laughter • 320
Scope for amusing form of self-scrutiny • 321
Laughter as mode of self-correction • 322
How humour aids a man in dealing with others • 325
Laughing away the smaller troubles • 326
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