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The Brown–Peterson task refers to two studies published in the late 1950s that used similar procedures, one in 1958 by John Brown [1] and a second in 1959 by Lloyd and Margaret Peterson. [2] The first experiment involved 24 psychology students at Indiana University at the time. The examiner proceeded by spelling a random three-letter nonsense ...
Brown–Peterson cohomology BP is a summand of MU (p), which is complex cobordism MU localized at a prime p. In fact MU (p) is a wedge product of suspensions of BP. For each prime p , Daniel Quillen showed there is a unique idempotent map of ring spectra ε from MUQ ( p ) to itself, with the property that ε([CP n ]) is [CP n ] if n +1 is a ...
Decay theory. The Decay theory is a theory that proposes that memory fades due to the mere passage of time. Information is therefore less available for later retrieval as time passes and memory, as well as memory strength, wears away. [1] When an individual learns something new, a neurochemical "memory trace" is created.
In mathematics, a highly structured ring spectrum or -ring is an object in homotopy theory encoding a refinement of a multiplicative structure on a cohomology theory. A commutative version of an -ring is called an -ring. While originally motivated by questions of geometric topology and bundle theory, they are today most often used in stable ...
Stroop effect. Naming the displayed color of a printed word is an easier and quicker task if the word matches the color (top) than if it does not (bottom). In psychology, the Stroop effect is the delay in reaction time between congruent and incongruent stimuli. The effect has been used to create a psychological test (the Stroop test) that is ...
In mathematics, complex cobordism is a generalized cohomology theory related to cobordism of manifolds.Its spectrum is denoted by MU. It is an exceptionally powerful cohomology theory, but can be quite hard to compute, so often instead of using it directly one uses some slightly weaker theories derived from it, such as Brown–Peterson cohomology or Morava K-theory, that are easier to compute.
Chromatic spectral sequence. In mathematics, the chromatic spectral sequence is a spectral sequence, introduced by Ravenel (1978), used for calculating the initial term of the Adams spectral sequence for Brown–Peterson cohomology, which is in turn used for calculating the stable homotopy groups of spheres .
This procedure is often required for people who do not respond to medication. During this procedure, electrodes are placed on the brain to precisely identify the locations of structures and functional areas. Patients may be awake during neurosurgery and asked to perform tasks, such as moving fingers or repeating words.