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The present study assessed the spatial abilities of male and female human participants using different versions of the non-navigational Corsi block-tapping test (CBT) and a search task. Males performed significantly better than females on the standard manual version of the CBT; however, the standard CBT does not allow discrimination between spatial memory(More)
This work presents a differential ring oscillator architecture along with a design methodology that yields a compact, well-matched layout. A process independent attribute called the effective number of stages quantifies performance trade-offs in speed, jitter and power consumption. Design guidelines eliminate undesired modes of operation and guarantee(More)
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