4 PSYCHOLOGICAL EFFECTS OF ALCOHOL. 



PAGE. 



CHAPTER IV. EFFECT OF ALCOHOL ON FREE ASSOCIATIONS 109-125 



Methods and apparatus 109 



Apparatus for the psycho-galvanic reflex 100 



Apparatus for recording the association time 110 



Stimulus words 113 



Association-reaction time 114 



Associative categories 117 



"Frequency" of the response words 120 



Correlations between the various measurements 123 



Special episodes 125 



CHAPTER V. EFFECT OF ALCOHOL ON THE PROCESS OF MEMORIZING 126-133 



Apparatus and technique 129 



Experimental procedure 132 



Summary of the effect of alcohol on memory 1 33 



CHAPTER VI. EFFECT OF ALCOHOL ON THE SENSORY THRESHOLD FOK FARADIC 



STIMULATION (MARTIN MEASUREMENTS) 134-145 



Apparatus and technique 137 



Results 139 



CHAPTER VII. EFFECT OF ALCOHOL ON MOTOR COORDINATIONS 146-185 



General motor processes 146 



Motor coordinations 148 



Effect of alcohol on the velocity of eye-movements of the first type 150 



Technique for measuring the velocity of eye-movements 151 



Results 154 



Summary of eye-movement data 164 



Effect of alcohol on the reciprocal innervation of the finger 167 



Technique 168 



Apparatus 169 



Position of the subject 170 



Experimental procedure 170 



Results 171 



Summary of finger-movement data 182 



CHAPTER VIII. EFFECT OF ALCOHOL ON THE PULSE-RATE DURING MENTAL AND 



PHYSICAL WORK EXPERIMENTS 186-241 



Techniques for recording the pulse during psychological experiments 189 



Telephone pulse-recorder 189 



Construction and operation of an electrical sphygmograph for recording 



pulse-rate at a distance 189 



Electro-cardiograms from body leads through condensers 193 



Effect of alcohol on the pulse-rate during association experiments 194 



Effect of alcohol on the pulse-rate during word-reaction and finger-movement 



experiments and also during moderate muscular activity and rest 21 1 



Cause of the relative acceleration of the pulse after alcohol 233 



CHAPTER IX. SUMMARIES AND CORRELATIONS 242-265 



Differential incidence of the effects of alcohol 242 



Evidence for alcoholic stimulation 250 



Is alcoholic depression a conservative process? 253 



Temporal incidence of the effect after the ingestion of alcohol 256 



Effect of repetition on the various measurements 259 



Correlation of the various measurements with the average 262 



APPENDIX I. Tentative plan of investigation on physiological and psychological 



effects of alcohol on man 266-275 



APPENDIX II. Family and personal histories of the subjects 276-281 



