Spinoza, Baruch - Ethics - The autonomic system
Type of Spiritual Experience
Spinoza noticed the unique functionality of the body as opposed to the 'mind'. He recognised that the body has its own functions [digestion, beating of heart, temperature control, breathing, etc] which are functions separate from those of the 'mind' such as memory, planning, 'thinking'.
The mind functions apply to the human as a whole, whereas body functions apply to each organ – the heart beats, the stomach digests, the bladder empties itself, the lungs breathe, the liver purifies waste – and the functions happen without the mind being involved.
A description of the experience
Baruch Spinoza - Ethics
Neither can the body determine the mind to think, nor the mind determine the body to motion or rest or anything else (if such there be)