In philosophy, Ryle's regress is a classic argument against cognitivist theories, and concludes that such theories are essentially meaningless as they do not explain what they purport to.
The philosopher Gilbert Ryle was concerned with what he called the intellectualist legend (also known as the "Dogma of the ghost in the machine," the "Two-Lives Legend," the "Two-Worlds Story," or the "Double-Life Legend") which requires intelligent acts to be the product of the conscious application of mental rules. In other words Ryle argued against Cartesian dualism.
A fine summation of the position which Ryle was defeating is the famous statement by Ralph Waldo Emerson that, "The ancestor of every action is a thought." [1] In sharp contrast to such assertions, which rule out any other possible parentage to actions by the use of the word "every," Ryle argued in The Concept of Mind (1949) that the intellectualist legend results in an infinite regress of thought:
Variants of Ryle's regress are commonly aimed at cognitivist theories. For instance, in order to explain the behavior of rats, Edward Tolman suggested that the rats were constructing a "cognitive map" that helped them locate reinforcers, and he used intentional terms (e.g., expectancies, purposes, meanings) to describe their behavior.[ citation needed ] This led to a famous attack on Tolman's work by Edwin R. Guthrie who pointed out that if one was implying that every action must be preceded by a cognitive 'action' (a 'thought' or 'schema' or 'script' or whatever), then what 'causes' this act? (a physical feeling perhaps?) Clearly it must be preceded by another cognitive action, which must in turn be preceded by another and so on, in an infinite regress (always a sign that something has gone wrong with a theory). Guthrie's key point is that Tolman's explanation, which attempts to explain animal cognition, does not really explain anything at all.
As a further example, we may take note of the following statement from The Concept of Mind:
In light of Ryle's critique, we may translate the statement by Emerson (still very much in common currency) into: "The ancestor of every action is an action." (This is so, since Ryle notes that, "theorizing is one practice amongst others.") - a reminder of Thomas Aquinas. Or we can go even further and argue that, according to Ryle: "The ancestor of every behavior is a behavior".
As the use of the word 'behaviour' in the sentence above indicates, Ryle's regress arises from the Behaviorist tradition. Near the end of The Concept of Mind, Ryle states
Ryle's brand of logical behaviorism is not to be confused with the radical behaviorism of B. F. Skinner, or the methodological behaviorism of John B. Watson. Alex Byrne noted that "Ryle was indeed, as he reportedly said, 'only one arm and one leg a behaviorist'."[ citation needed ]
Cognitive scientists have Ryle's regress as a potential problem with their theories. A desideratum for those is a principled account of how the (potentially) infinite regress that emerges can be stopped. See also the homunculus fallacy.
Immanuel Kant anticipated Ryle's regress when he wrote in The Critique of Pure Reason the following:
"But of reason one cannot say that before the state in which it determines the power of choice, another state precedes in which this state itself is determined. For since reason itself is not an appearance and is not subject at all to any conditions of sensibility, no temporal sequence takes place in it even as to its causality, and thus the dynamical law of nature, which determines the temporal sequence according to rules, cannot be applied to it." [3]
In essence, Kant is saying that Reason is outside of the causative elements of the natural world and as such is not subject to the law of cause and effect. Hence, for Kant, Reason needs no prior explanation for any of its choices or volitions. Ryle's assumption is that all volitions are physicalistic processes and thus subject to cause and effect. If such is the case, then Ryle would be correct in his regress. However, if some volitions are not subject to cause and effect, per Kant, then Ryle's regress fails.
Epiphenomenalism is a position on the mind–body problem which holds that subjective mental events are completely dependent for their existence on corresponding physical and biochemical events within the human body, yet themselves have no influence over physical events. According to epiphenomenalism, the appearance that subjective mental states influence physical events is an illusion, consciousness being a by-product of physical states of the world. For instance, fear seems to make the heart beat faster, but according to epiphenomenalism the biochemical secretions of the brain and nervous system —not the experience of fear—is what raises the heartbeat. Because mental events are a kind of overflow that cannot cause anything physical, yet have non-physical properties, epiphenomenalism is viewed as a form of property dualism.
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The Critique of Pure Reason is a book by the German philosopher Immanuel Kant, in which the author seeks to determine the limits and scope of metaphysics. Also referred to as Kant's "First Critique", it was followed by his Critique of Practical Reason (1788) and Critique of Judgment (1790). In the preface to the first edition, Kant explains that by a "critique of pure reason" he means a critique "of the faculty of reason in general, in respect of all knowledge after which it may strive independently of all experience" and that he aims to reach a decision about "the possibility or impossibility of metaphysics". The term "critique" is understood to mean a systematic analysis in this context, rather than the colloquial sense of the term.
Edward Chace Tolman was an American psychologist and a professor of psychology at the University of California, Berkeley. Through Tolman's theories and works, he founded what is now a branch of psychology known as purposive behaviorism. Tolman also promoted the concept known as latent learning first coined by Blodgett (1929). A Review of General Psychology survey, published in 2002, ranked Tolman as the 45th most cited psychologist of the 20th century.
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Gilbert Ryle was a British philosopher, principally known for his critique of Cartesian dualism, for which he coined the phrase "ghost in the machine." He was a representative of the generation of British ordinary language philosophers who shared Ludwig Wittgenstein's approach to philosophical problems.
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In the philosophy of mind, logical behaviorism is the thesis that mental concepts can be explained in terms of behavioral concepts.