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  2. Peristimulus time histogram - Wikipedia

    en.wikipedia.org/wiki/Peristimulus_time_histogram

    The peristimulus time histogram is sometimes called perievent time histogram, and post-stimulus and peri-stimulus are often hyphenated. The prefix peri, for through, is typically used in the case of periodic stimuli, in which case the PSTH show neuron firing times wrapped to one cycle of the stimulus.

  3. Neural coding - Wikipedia

    en.wikipedia.org/wiki/Neural_coding

    A further division by the interval length Δt yields time-dependent firing rate r(t) of the neuron, which is equivalent to the spike density of PSTH (Chapter 1.5 in [14]). For sufficiently small Δt, r(t)Δt is the average number of spikes occurring between times t and t+Δt over multiple trials.

  4. Biological neuron model - Wikipedia

    en.wikipedia.org/wiki/Biological_neuron_model

    Integrate-and-fire models with output noise can be used to predict the peristimulus time histogram (PSTH) of real neurons under arbitrary time-dependent input. [22] For non-adaptive integrate-and-fire neurons, the interval distribution under constant stimulation can be calculated from stationary renewal theory. [27]

  5. How doctors may be able to predict your stroke risk through ...

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    Scientists have identified various retinal vascular indicators, 29 of which were significantly associated with a person's first-time stroke risk, providing a vascular "fingerprint."

  6. 'Paid administrative hell': Some Department of Education ...

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    Dozens of Department of Education employees received letters as business hours closed Friday placing them on administrative leave, according to a copy of one letter obtained by ABC News.

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  8. Plot (graphics) - Wikipedia

    en.wikipedia.org/wiki/Plot_(graphics)

    Stemplot : A stemplot (or stem-and-leaf plot), in statistics, is a device for presenting quantitative data in a graphical format, similar to a histogram, to assist in visualizing the shape of a distribution. They evolved from Arthur Bowley's work in the early 1900s, and are useful tools in exploratory data analysis.

  9. Doomsday clock ticks down, closest ever to "global catastrophe"

    www.aol.com/doomsday-clock-ticks-down-closest...

    "The 2025 Clock time signals that the world is on a course of unprecedented risk, and that continuing on the current path is a form of madness," the Bulletin said. "The United States, China, and ...