Abstract This paper analyzes the empirical relationship between economic growth and
export expansion in developing countries as observed through an intercountry cross-
section. Employing data from 55 middle income developing countries for the period 1960– ...

Abstract One of the most rigorously investigated problems in modern neuroscience is to
decipher the mechanisms by which experience-induced changes in the central nervous
system are translated into behavioral acquisition, consolidation, retention, and ...

Abstract Brain-derived neurotrophic factor (BDNF) is emerging as a key mediator of activity-
dependent modifications of synaptic strength in the CNS. We investigated the hypothesis
that BDNF enhances quantal neurotransmitter release by modulating the distribution of ...

A method and apparatus for reducing storage requirements for display data on a computer
system. Data objects to be displayed are organized into display lists and each data object
includes an object type, such as text, graphic, and image. The data objects are rasterized ...

A pulmonary diagnostic apparatus includes a personal computer including a memory for
storing expected values, each representing a predicted normal level for a pulmonary
function. A parameter limit file stores abnormality limits, each related to one of the ...

Abstract This paper provides an empirical estimation of a stochastic frontier Cobb-Douglas
production function using micro data from a cross-section of Brazilian manufacturing firms.
Following a procedure developed by Aigner, Lovell and Schmidt incorporating both ...

Abstract 1. Describes a method which combines the advantages of random-dot stereograms
and of sinusoidal modulation techniques in studying spatial limitations of cyclopean depth
perception. High spatial frequency sensitivity may be measured by removing high or low ...

Abstract The refinement and plasticity of neuronal connections require synaptic activity and
neurotrophin signalling; their specific contributions and interplay are, however, poorly
understood. We show here that brain-derived neurotrophic factor (BDNF) increased spine ...

Abstract A fundamental difference between short-term and long-term forms of synaptic
plasticity is the dependence on transcription and translation of new genes. Using
organotypic cultures of hippocampal slices, we have investigated whether the modulation ...

Abstract The range of sensitivity to spatial modulation of disparity in a vertical line was
investigated. The function obtained was not greatly altered by conditions of fixed aperture,
constant number of cycles, high resolution, foveal or eccentric presentation. The simplest ...