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The HTR is a rapid, rhythmic side-to-side or rotational head movement that intermittently occurs in mice and rats in association with serotonin 5-HT 2A receptor activation. [1] [2] In mice, each individual head movement lasts about 10 milliseconds and each HTR consists of 5 to 11 individual head movements.
Estimates for different species of bird vary from 40 Hz to 140 Hz, with higher values tending to be associated with faster-moving species. [23] Many mammals have a higher proportion of rods in their retina than humans do, and it is likely that they would also have higher flicker fusion thresholds.
Zowie Intertainment’s portfolio of proprietary sensing and recognition technologies was called the Zowie Power. Zowie Intertainment released smart toy playsets such as Ellie’s Enchanted Garden and Redbeard's Pirate Quest, play-sets that merged playing with plastic figurines with interacting with a computer game.
BenQ Joybook Lite U101 at Taipei IT Month BenQ Joybook 8100. BenQ Corporation (/ ˌ b ɛ n ˈ k j uː /; Chinese: 明基電通股份有限公司) is a Taiwanese multinational company that sells and markets technology products, consumer electronics, computing and communications devices [2] under the "BenQ" brand name, which stands for the company slogan Bringing Enjoyment N Quality to life. [3]
In telecommunication, a standard test tone is a pure tone with a standardized level generally used for level alignment of single links and of links in tandem. [1]For standardized test signal levels and frequencies, see MIL-STD-188-100 for United States Department of Defense (DOD) use, and the Code of Federal Regulations Title 47, part 68 for other Government agencies.
Several psychophysical methods can measure absolute threshold. These vary, but certain aspects are identical. Firstly, the test defines the stimulus and specifies the manner in which the subject should respond. The test presents the sound to the listener and manipulates the stimulus level in a predetermined pattern.
The test consists of transmitting an analog sinusoidal signal at the frequency of 1004 Hz with the power level of 0 (zero) dBm. By definition, this is the equivalent of a continuous power dissipation of 1 mW ( milliWatt ), i.e., the power consumed if a voltage of 0.775 V ( RMS ) is applied to a telephone line with 600 Ohm nominal impedance.
The test may be useful as a sensitive indicator of trauma induced by brain injury to laboratory rats. [7] Alcohol markedly impairs mouse performance in the rotarod test. [8] Research using the rotarod test with various chemical agonists and antagonists may help scientists determine which components of neurons mediate the effects of chemicals. [9]
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