This study reports important findings about the nature of feedback to primary visual cortex (V1) during object recognition. The state-of-the-art functional MRI evidence for the main claims is solid, ...

A decrease in processing speed is associated with several antecedents, including old age, a decline in fine motor function, and the deterioration of brain connectivity. Patient processing speed is a ...

The app facilitated communications in a building where cell service is poor and personal phones are not allowed in some areas. By Eric Schmitt and Greg Jaffe Defense Secretary Pete Hegseth had the ...

A windowed sinc function can implement a low-pass filter, and a two-dimensional convolutional filter can blur or sharpen images. In part 3 of this series, we introduced a low-pass filter based on the ...

In our day-to-day lives, we're constantly making a slew of decisions, from immediate matters to prospects on the far horizon. But the evolutionary nuts-and-bolts of how our brains weigh these numerous ...

The National Security Agency sent out an operational security special bulletin to its employees in February 2025 warning them of vulnerabilities in using the encrypted messaging application Signal, ...

Purdue University’s online Graduate Certificate in Digital Signal Processing (DSP) provides specialized knowledge and practical skills in signal theory, programming, and algorithm development, ...

For more than a decade now, Russian cyberwarfare has used Ukraine as a test lab for its latest hacking techniques, methods that often target Ukrainians first before they're deployed more broadly. Now ...