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The orientation sensitivity of LGN cells to flickering square-wave gratings was measured in urethane-anaesthetized paralyzed cats. The mean ratio of the amplitude of peak responses to optimally oriented gratings to that elicited by gratings of the least effective orientation was 3.0 +/- 0.3 (S.E.). 58% of the recorded neurons responded best to orientations(More)
To understand the influence of the ascending path linking area 17 to area 18 of visual cortices, experiments were carried out in which a small neuronal population of area 17 was inactivated with GABA, while unitary responses were recorded in area 18. In the latter, cells are identified as belonging to the simple or complex family according to their firing(More)
The following questions are discussed in this paper: (1) Can the bovine prion protein PrpRES infect a man? (2) What is the route of PrPRES infection? (3) In what condition the PrPRES may infect animals, (4) What are the normal functions of PrPc at the surface of neurons and neuroglia cells, (5) What is the structure of the prion protein, (6) What is(More)
The functional relationships between areas 17 and 18 are still incompletely understood; many experiments indicate that cells sharing like properties are linked together, whereas other studies suggest a deviation from this principle. Here we report the effect of using GABA to block circumscribed area 17 neuronal populations with known orientation(More)
The Nonparametric Independent Component Analysis (NICA) method is introduced to detect/ infer the presence of roof corner vortex from experimentally measured wind pressure data. Different from the widely recognized Proper Orthogonal Decomposition (POD) method, which decomposes orthogonal pressure modes from the measurement, the NICA method is to separate(More)
This paper focuses on the physical property prediction of waste cooking oil biodiesel and examines the accuracy of different methods to estimate reliable basic physical properties, including density, viscosity and surface tension of waste cooking oil biodiesel in a wide range of temperature based on its fatty acid methyl ester component. A program for the(More)