Date: 1763 (repr. 1776); 1794 (repr. 1799)

"An idea attended with great pleasure or pain makes a deep impression on the memory, i. e. a deep trace on the brain, the spirits being then violently impelled."

— Doddridge, Philip (1702-1751)

Date: 1763 (repr. 1776); 1794 (repr. 1799)

"We remember that best in the morning, which we learnt just before we went to sleep: because, say the Cartesians, the traces made then are not apt to be effaced by the motions of the spirits, as they would, if new objects of sensation had presented themselves; and during this interval, t...

— Doddridge, Philip (1702-1751)

Date: 1763 (repr. 1776); 1794 (repr. 1799)

"Sensible ideas gradually decay in the memory if they be not refreshed by new sensations; the traces perhaps wearing out: yet they may last many years."

— Doddridge, Philip (1702-1751)

Date: 1763 (repr. 1776); 1794 (repr. 1799)

"The analogy upon this hypothesis between sensation and memory, the one arising from impressions made on the brain, the other depending on traces continued there."

— Doddridge, Philip (1702-1751)