| The states of sleep |
| Michel Jouvet Scientific American (1967) |
| TABLE OF CONTENTS |
| FIGURES |
| Printable version |
Figure 1
X RAY OF CAT'S HEAD shows a cluster of electrodes with which the author obtained a record of the electrical signal from various parts of the cat's brain. The cat's mouth is at the left; one electrode at far right measures the changes in the animal's neck muscle tension.