From pg 68 of Andrew Pickering’s The Cybernetic Brain:

Thus if the arrangement is such that the sound becomes positively associated both with the attracting light and with the withdrawal from an obstacle, it is possible for both a light and a sound to set up a paradoxical withdrawal. The ‘instinctive’ attraction to a light is abolished and the model can no longer approach its source of nourishment. This state seems remarkably similar to the neurotic behavior produced in human beings by exposure to conflicting influences or inconsistent education.” Or, as he put it more poetically in The Living Brain (1953, 183), “in trying, as it were, to sort out the implications of its dilemma, the model ends up, ‘sicklied o’er with the pale cast of thought,’ by losing all power of action.