THE TIME TAKEN UP BY CEREBRAL OPERATIONS. 239 The first experiments on this subject were made in the winter of 1883-4, before the chronoscope was properly controlled ; the absolute times may be as much as 10<r wrong, but the relative times are correct. As a stimulus I used the electric light pro- duced in a Puluj's tube, and an induction- shock of moderate inten- sity on the left forearm. In these experiments 15 reactions were TABLE VII. CONCENTRATED. NORMAL. DISTRACTED. R V R' V R V R' V R V R' V B LIGHT. 27. II 144 131 141 137 143 16 11 10 8 8 147 130 143 139 144 7 8 7 4 6 148 160 139 161 152 14 13 13 15 13 147 162 142 163 149 8 8 11 9 7 196 186 178 179 194 26 26 15 16 14 185 183 180 179 190 12 19 11 10 9 28 A. 139 11 141 6 152 14 153 9 187 19 183 12 C 27. II 149 149 146 146 140 13 7 8 12 8 150 150 144 144 139 9 4 5 8 5 146 144 149 146 144 10 9 9 9 9 144 144 149 146 143 7 6 6 5 6 166 154 157 154 163 12 16 13 9 14 167 156 159 155 160 7 11 8 6 9 28 A 146 10 145 6 146 9 145 6 159 13 159 8 B SOUND. 2. II 132 129 127 123 127 7 6 14 9 7 132 129 129 122 126 5 5 4 6 5 157 158 155 147 138 11 19 14 10 9 157 149 152 145 139 8 8 7 6 6 193 188 174 169 188 26 28 12 24 24 189 191 173 163 183 13 19 8 17 17 3 4 A. 128 9 128 5 151 12 148 7 182 23 180 15 C 2. II 129 135 125 123 131 12 11 12 12 11 126 135 127 123 126 8 8 6 8 8 145 133 141 142 136 10 12 11 11 10 140 132 140 139 133 6 9 8 6 5 166 156 158 155 157 18 19 15 17 15 162 148 161 155 153 12 14 9 12 9 3 4 A 129 11 128 8 139 11 137 7 159 17 156 11
