A grant to develop software tools to analyze how neurons distribute themselves within the brain
Do neurons need personal space like people in an elevator? Are they influenced by their neighbors or do they randomly find a home in the brain? If the arrangement is patterned, what is the cause of...
Jun, 01, 2005
Computer models find that various ion channel arrangements can produce the same firing pattern
Each cell in our nervous system is an instrument in a complex symphony of electrophysiologic communication. A neuron’s signaling abilities arise from its array of ion channels—tunnels...
Jan, 01, 2007
Simulating how cells form patterns.
Normal zebrafish have stripes, but mutant forms may display spots, blotches, or labyrinthine patterns. It’s a scenario that Rudyard Kipling might turn into a wonderful “just-so”...
Jul, 01, 2008
Brain implants are giving hope to the disabled and revolutionizing neuroscience
Matthew Nagle can move a cursor on a computer screen with only the power of his thoughts. It’s a remarkable feat for anyone, but especially momentous for Nagle, who is paralyzed from the neck...
Aug, 31, 2005
During the final step of cell division, a ring of proteins pinches the cell in two—a process often likened to a purse string drawing shut. The analogy evokes a picture of thread-like proteins...
Apr, 01, 2008
For a century, neuroscientists have dissected, traced, eavesdropped on, and are now compiling a seemingly endless cast of players in the nervous system. As we keep gathering more and more molecular...
Apr, 01, 2009
Advances in visualization changing work flows for understanding molecular dynamics, tracking cell movements, and designing interventional procedures
The pathway from raw data to valuable visualization of molecules, cells or organs being simulated over time involves several potentially painstaking steps. Typically, researchers must generate a set...
Sep, 02, 2011
Using computational models, researchers are gaining traction toward understanding what makes a stem cell a stem cell; how gene expression drives stem cell differentiation; why studying stem cell heterogeneity is important; and, ultimately, how stem cells control their fate.
To the casual observer, stem cells offer the almost magical promise of—Voila!—turning into exactly the kind of cell needed to repair an injured spinal cord or replace a damaged organ. And...
Apr, 01, 2010
Janelia farmers pursue novel, cross-disciplinary collaborations to work on long-term, unwieldy scientific problems difficult to tackle in a single laboratory
The folks at Howard Hughes Medical Institute who dreamed up Janelia Farm say it is as much a social innovation as a scientific one. “We are creating a different culture here,” says Gerald...
Jul, 01, 2006
How cell-centered models are adding fundamental insights into our understanding of cell behaviors
The cell is like our financial system: Even if you have a diagram of all the complex interactions going on, you still cannot intuit how the whole system will react when perturbed. Indeed, the cell...
Apr, 01, 2010