Migraine and other common neuroses : a psychological study / by F.G. Crookshank.
- Francis Graham Crookshank
- Date:
- 1926
Licence: In copyright
Credit: Migraine and other common neuroses : a psychological study / by F.G. Crookshank. Source: Wellcome Collection.
34/112 page 28
![and matter, existing side by side. There are many kinds of dualisms, but the most popular doctrine amongst doctors is that of pyscho-physical parallelism, derived ultimately from the two-clock notion of Liebniz. Psycho-physical parallelism, as applied to the physiol¬ ogy and psychology of human beings, means that each physiological process has a concomitant psychological act or process as counterpart, and vice versa. It may be restricted, as many seem to restrict it, to the operations of the higher parts of the brain, or it may be applied to the whole of the nervous system—in which case we postulate that unconscious psychical processes accompany all physical ner¬ vous states of the spinal cord or nerves. Of course, too, this doctrine may be extended to cover all living things, and further, all material objects of percep¬ tion whatsoever. Then we become what are called animists. But the restricted form of psycho-physical paral¬ lelism, which supposes mind and brain to work in “ harmony ”, has a [28]](https://iiif.wellcomecollection.org/image/b29813256_0034.jp2/full/800%2C/0/default.jpg)
