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If the stimulus is not white noise, but instead has non-zero correlation across space or time, the standard STA provides a biased estimate of the linear receptive field. [5] It may therefore be appropriate to whiten the STA by the inverse of the stimulus covariance matrix. This resolves the spatial dependency issue, however we still assume the ...
In a choice reaction time task which calls for a single response to several different signals, four distinct processes are thought to occur in sequence: First, the sensory qualities of the stimuli are received by the sensory organs and transmitted to the brain; second, the signal is identified, processed, and reasoned by the individual; third ...
Because the prime signal has a head-start over the target signal, primes and targets are engaged in a "rapid chase" through the visuomotor system. Because the prime signal reaches the motor cortex first, it is able to activate the motor response assigned to it. The shorter the prime-target SOA, the quicker the target can start the pursuit.
The claim: A ‘no-strings-attached $1,000 stimulus’ payment was approved for ‘every US resident’ ahead of Trump’s term. A Dec. 3 Facebook post (direct link, archive link) includes a video ...
The first batch of payments is worth approximately $242 billion, or more than half of the $450 billion earmarked for stimulus payments. Stimulus checks: 90 million payments have been sent out, IRS ...
As many as 1 million taxpayers will receive a "special" year-end gift from the IRS as the agency deposits pandemic-era stimulus checks worth a total of $2.4 billion directly in their bank accounts.
When stimulus delivery technology is not properly shielded, the electromagnetic acoustic transducer may induce the stimulus directly into the electrodes. This is known as a stimulus artifact, and researchers and clinicians seek to avoid it, as it is a contamination of the true recorded response of the nervous system.
(b) A functional electrical stimulation system injects electrical current into the cell. (c) The intact but dormant axon receives the stimulus and propagates an action potential to (d) the neuromuscular junction. (e) The corresponding muscle fibers contract and generate (f) muscle force. (g) A train of negative pulses is produced.