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The activities of catechol-O-methyl transferase (COMT), monoamine oxidase (MAO), and a methanol forming enzyme were studied in whole brain homogenates and in livers obtained from DBA/2J, C57B1/6J, and F1 hybrid mice. DBA/2J mice are extremely susceptible to audiogenic seizures, whereas C57B1/6J mice are resistant to sound-induced convulsions. C57B1/6J mice… (More)

Acute nicotine administration has been shown to influence the acquisition and retention of learning tasks. In order to investigate the many possible behavioral and pharmacological effects of nicotine, a modified 2 X 2 state-dependent learning design was used to assess nicotine's effects on active avoidance learning. Male and female mice of the C57BL/6J… (More)

Food deprived, heterogeneous strain (HS/IBG) mice were trained on two different discrimination tasks for food reinforcement. In one experiment animals were trained to make spatial discriminations in a T maze. Immediately after training they were given subcutaneous injections of either substance P (1 ng/g) or vehicle. Twenty-four hours later the animals were… (More)

- H. Grosse, K.-G. Schlesinger, Harald Grossea, Karl-Georg Schlesinger
- 2001

We construct a deformation of the function algebra on the quantum group SL q (2) into a trialgebra in the sense of Crane and Frenkel. We show that this naturally acts on the trialgebraic deformation of the Manin plane, previously introduced by the authors. Alternatively, one can view it as acting on the trialgebraic deformation of the fermionic Manin plane.… (More)

We suggest that trialgebraic symmetries might be a sensible starting point for a notion of integrability for two dimensional spin systems. For a simple trialgebraic symmetry we give an explicit condition in terms of matrices which a Hamiltonian realizing such a symmetry has to satisfy and give an example of such a Hamiltonian which realizes a trialgebra… (More)

We introduce general q-deformed multiple polylogarithms which even in the dilogarithm case differ slightly from the deformation usually discussed in the literature. The merit of the deformation as suggested , here, is that q-deformed multiple polylogarithms define an algebra, then (as in the undeformed case). For the special case of q-deformed multiple… (More)

- Karl–Georg Schlesinger, Karl-Georg Schlesinger
- 1998

We develop the old idea of von Neumann of a set theory with an internal quantum logic in a modern categorical guise (i.e. taking the objects of the category H of (Pre-)Hilbert spaces and linear maps as the sets of the basic level). We will see that in this way it is possible to clarify the relationship between categorification and quantization and besides… (More)

- Harald Grosse, Karl-Georg Schlesinger, Harald Grossea, Karl-Georg Schlesingerb
- 1998

We introduce duals for non-abelian lattice gauge theories in dimension at least three by using a categorical approach to the notion of duality in lattice theories. We first discuss the general concepts for the case of a dual-triangular lattice (i.e. the dual lattice is triangular) and find that the commutative tetrahedron condition of category theory can… (More)

It has been shown that substance P(SP), as well as its carboxy and amino terminal fragments, affects a wide range of behaviors. In order to test the CNS activity of these fragments, we measured their effects on passive avoidance learning and monoamine activity. Following one-trial passive avoidance training, mice were injected intraventricularly with either… (More)

Samples of mice from each of 6 inbred strains were tested for audiogenic and electroconvulsive seizures at 5 ages (14, 21, 28, 35, and 42 days). A moderately large within-strain correlation (.67) was found, indicating that developmental patterns of susceptibility to audiogenic and electroconvulsive seizures are similar within each strain. The finding of an… (More)