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James Braid in the nineteenth century saw fixing the eyes on a bright object as the key to hypnotic induction. [3]A century later, Sigmund Freud saw fixing the eyes, or listening to a monotonous sound as indirect methods of induction, as opposed to “the direct methods of influence by way of staring or stroking” [4] —all leading however to the same result, the subject's unconscious ...
The composition of the braids σ and τ is written as στ.. The set of all braids on four strands is denoted by .The above composition of braids is indeed a group operation. . The identity element is the braid consisting of four parallel horizontal strands, and the inverse of a braid consists of that braid which "undoes" whatever the first braid did, which is obtained by flipping a diagram ...
Spherical braid group This page was last edited on 25 March 2024, at 05:19 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
Instead, Braid adopted a skeptical position, influenced by the philosophical school of Scottish Common Sense Realism, attempting to explain the Mesmeric phenomena on the basis of well-established laws of psychology and physiology. Hence, Braid is regarded by many as the first true "hypnotist" as opposed to the Mesmerists and other magnetists ...
The standard braid is Brunnian: if one removes the black strand, the blue strand is always on top of the red strand, and they are thus not braided around each other; likewise for removing other strands. A Brunnian braid is a braid that becomes trivial upon removal of any one of its strings. Brunnian braids form a subgroup of the braid group.
Group dynamics is a system of behaviors and psychological processes occurring within a social group (intragroup dynamics), or between social groups (intergroup dynamics). The study of group dynamics can be useful in understanding decision-making behaviour, tracking the spread of diseases in society, creating effective therapy techniques, and ...
In the mathematical area of group theory, Artin groups, also known as Artin–Tits groups or generalized braid groups, are a family of infinite discrete groups defined by simple presentations. They are closely related with Coxeter groups. Examples are free groups, free abelian groups, braid groups, and right-angled Artin–Tits groups, among ...
He believed that people act in different ways according to the demands and constraints of the group as a whole. In his book Group Psychology and the Analysis of the Ego, Freud argued that the church and organized religion form an "artificial group" which requires an external force to keep it together. In this type of group, everything is ...