Dictating it had certainly had that effect on him.
Towards the close of 1828 he felt the approach of a fatal malady - a tumour in the brain - and devoted his last days to a careful revisal of his unpublished researches and industrial processes, dictating several papers on these subjects, which were afterwards published in the Philosophical Transactions.
Whether that could be, Darnley dictating while still hot from the exciting interchange of words which he meant to report, is a question for psychologists.
Though thus afflicted he never ceased his literary activity, dictating his tract On the Purity of the Church, and revising the sheets of a translation of Origen which was passing through the Froben press.
During 1920 and 1921 it was Poincare's influence that was mainly dictating the aggressiveness of French feeling in international politics; and during the latter part of Briand's premiership, culminating in Briand's visit to the United States for the Washington Conference at the end of 1921, it was Poincare who was fomenting the criticism that French interests were being undermined.