An unlevel playing field

Leveling the playing field.

COVER Immunostained fl uorescence microscopy image of memory engram–bearing cells (red) in the dentate gyrus of a mouse hippocampus (image width: 1.5 millimeters). These cells were genetically tricked to express the protein channelrhodopsin-2 during memory formation, thus becoming responsive to light stimulation. When the cells were activated by light, the mice simultaneously associated a genui...

Levelling the lingo playing field.

W ith an ever-declining number of papers written in languages other than English, the idiom of Shakespeare is, today more than ever before, the international language of science [1,2]. In 2014, according to PubMed’s language filter, 95.4% of life science publications retrieved by the search engine were written in English, in line with the trend of the last several decades [1,2]. Today, among th...

Unlevel-Sets: Geometry and Prior-Based Segmentation

We present a novel variational approach to top-down image segmentation, which accounts for significant projective transformations between a single prior image and the image to be segmented. The proposed segmentation process is coupled with reliable estimation of the transformation parameters, without using point correspondences. The prior shape is represented by a generalized cone that is based...

Leveling the high-frequency playing field.

n aging research, it is common to compare two groups, young adults and elderly persons. One might ask, for example, whether speech perception in a noisy background is more difficult for elderly persons because of age-related changes in cognition, central processing, memory deficit, depression, or a host of other factors known to be affected by aging. A persistent problem complicating such resea...

The UBIT: Leveling an Uneven Playing Field or Tilting a Level One?