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Weak Electrical Fields in the Brain Help Neurons Fire Together

02-03-11

Costas Anastassiou, a postdoctoral scholar working with Professor Christof Koch, and colleagues have found that coordinated behavior occurs in the brain whether or not neurons are actually connected via synapses.  To tease out the effects, Anastassiou and his colleagues, focused on strong but slowly oscillating fields, called local field potentials (LFP), that arise from neural circuits composed of just a few rat brain cells.  Measuring those fields and their effects required positioning a cluster of tiny electrodes within a volume equivalent to that of a single cell body—and at distances of less than 50 millionths of a meter from one another. [Caltech Press Release]

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Graduate Student's Application of the MUSIC Algorithm Receives Best Paper Award

01-10-11

Piya Pal, graduate student in Electrical Engineering, received the best student paper award at the IEEE Digital Signal Processing workshop for her paper, coauthored with Professor P. P. Vaidyanathan, entitled "Coprime sampling and the MUSIC algorithm."

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Tags: EE honors research highlights P. P. Vaidyanathan Piya Pal Digital Signal Processing

Amnon Yariv Awarded National Medal of Science

10-15-10

Amnon Yariv, Martin and Eileen Summerfield Professor of Applied Physics and Professor of Electrical Engineering, has received one of the highest honors bestowed by the United States government on scientists, and engineers. He is a recipient of the National Medal of Science. Professor Yariv's research group has pioneered the field of optoelectronics. Many innovations such as distributed Feedback (DFB) Semiconductor Lasers, Integrated Optoelectronic Circuits, Optical Phase Conjugation, External Cavity Tunable Semiconductor Lasers, Quantum Well Infrared Photodetectors (QWIP's), and all-fiber add/drop filters have found their beginnings in his research group. Currently, his group’s research aims at developing the new technologies that will be mandated by the seemingly endless appetite for optical bandwidth. Specifically, they are working at extending, to the field of laser optics, some key ideas that form the foundation of the microwaves and the radio frequencies fields. [Caltech Press Release], [White House Press Release] [Watch the White House Cermony]

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Jehoshua Bruck Receives IEEE Best Paper Award

10-08-10

Jehoshua Bruck, Gordon and Betty Moore Professor of Computation and Neural Systems and Electrical Engineering, and colleagues' paper entitled Rank Modulation for Flash Memories has received the Institute of Electrical and Electronics Engineers (IEEE) Best Paper Award in Signal Processing and Coding for Data Storage. Rank modulation is a novel data representation scheme which the group has developed for multilevel flash memory cells. The idea is that a set of cells stores information in the permutation induced by the relative charge levels of the individual cells. As opposed to iterative (and slow) programming in current technology, rank modulation allows fast programming that is based on push-to-the-top operations, namely, raising the charge level of a single cell to be the highest one. [pdf] [Patent]

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Professor Yang Receives 2010 NIH Director's New Innovator Award

10-06-10

Changhuei Yang, Associate Professor of Electrical Engineering and Bioengineering, is a 2010 NIH Director's New Innovator Award recipient. The award helps new investigators take exceptional and innovative research ideas to the next level. Professor Yang and his research team will be using the grant associated with the award to investigate a new research direction in biophotonics—the study of the interaction of time-reversed light with biological structures. [Caltech Press Release]

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Yu-Chong Tai Receives 2010 Breakthrough Award

10-04-10

Yu-Chong Tai, Professor of Electrical Engineering and Mechanical Engineering, is a recipient of a 2010 Breakthrough Award by Popular Mechanics for his work on an artificial retina. [Popular Mechanics Article]

Tags: EE honors research highlights health Yu-Chong Tai MCE Popular Mechanics

Peter Siegel Has Been Selected by the IEEE to Spearhead a New Journal

09-09-10

Peter H. Siegel, Faculty Associate in Electrical Engineering and a Member of the Professional Staff in Biology, has been selected by the IEEE to spearhead a new journal: IEEE Transactions on Terahertz Science and Technology. The journal will highlight activities in the emerging field of far-infrared technology (wavelength range between 1mm and 10 microns) with applications in high frequency communications, space, Earth and planetary science, ultrafast chemistry and physics, defense and security and even art history and preservation. The inaugural issue is slated for the fall of 2011.

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Professor Effros and Colleagues Appear in Scientific American

04-09-10

Michelle Effros, Professor of Electrical Engineering, and colleagues have written an interesting piece in Scientific American on how wireless networks that do not depend on a fixed infrastructure will allow for ubiquitous connectivity. [Scientific American Article]

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Christof Koch and Pietro Perona Found that Human Decisions are Influenced by Both Value and Saliency

04-02-10

Christof Koch, Lois and Victor Troendle Professor of Cognitive and Behavioral Biology and Professor of Computation and Neural Systems, Pietro Perona, Allen E. Puckett Professor of Electrical Engineering, and colleagues' research on decision making and visual saliency has found that human decisions are influenced by both value and saliency in a way that is consistent with the ideal Bayesian observer. [Abstract]

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Ali Hajimiri Named Fellow of IEEE

11-24-09

Congratulations to Ali Hajimiri, Professor of Electrical Engineering, who has been named Fellow of IEEE for development of high-speed silicon integrated-circuit oscillators, power amplifiers, and phased arrays. Elevation to IEEE Fellow is one of the most prestigious honors given by the IEEE which is the world's largest professional association.

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