[How to Understand Population Projections

Learning how to understand language

To understand how babies breathe...

How Accurate Are the United Nations World Population Projections?

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How to understand and outwit adaptation.

Adaptation is the ability of a system to respond and reset itself even in the continuing presence of a stimulus. On one hand, adaptation is a physiological necessity that enables proper neuronal signaling and cell movement. On the other hand, adaptation can be a source of annoyance, as it can make biological systems resistant to experimental perturbations. Here we speculate where adaptation mig...

HOW TO UNDERSTAND IT Statistical parametric mapping

© 2004 Blackwell Publishing Ltd THE BASIC IDEA Brain responses are recorded using an imaging technique such as fMRI, which allows the repeated measurement of brain activity at hundreds of thousands of points, or voxels, throughout the brain (Fig. 1). Each voxel represents physiological responses from a small anatomical portion of the brain (typically 3 × 3 × 3 mm). The analysis of such data see...