Physical concepts of mechanism are incomplete for a total description of nature (see previous post). The primary distinction is between life and inanimate matter, not life and consciousness (see previous post). To quote from Myers’ lecture, “In no form of life is directive activity wholly absent.” (p.21) As Kant said in the Critique of Judgement,
there will never be a Newton of the blade of grass, because human science will never be able to explain how a living being can originate from inanimate matter
Directive activity is still inherent in plants, even though, as Myers said, “locomotion and plasticity are minimal” (p.25). This doesn’t mean that there can be no causal explanations for an account of the physical nature of organic matter. But, mechanistic explanations are insufficient for an account of the totality of human and living nature. As Myers concludes, “There is no separable mental or vital force: and the mental must be regarded as identical with the vital.” (p.26) Psychiatry needs to recognise its mistake in reducing mental illness to inanimate brain disease.
(1) Hobhouse memorial lectures 1930-1940 OUP: London