A Random Time Interval Approach for Analysing the Impact of a Possible Intermediate Event on a Terminal Event

2007 ◽  
Vol 49 (5) ◽  
pp. 742-749 ◽  
Author(s):  
Jan Beyersmann
Keyword(s):  
Random Time ◽  
Time Interval ◽  
Terminal Event ◽  
Interval Approach ◽  
Random Time Interval ◽  
Intermediate Event ◽  
The Impact

Impairment of Saccadic Eye Movements by Scopolamine Treatment

1993 ◽  
Vol 76 (1) ◽  
pp. 159-167 ◽  
Author(s):  
Giulia A. Oliva ◽  
Maria P. Bucci ◽  
Roberto Fioravanti
Keyword(s):  
Eye Movements ◽  
Intramuscular Injection ◽  
Peak Velocity ◽  
Saccadic Eye Movements ◽  
Random Time ◽  
Time Interval ◽  
Random Time Interval ◽  
Standard Deviations

The effects of Scopolamine on the dynamics of saccadic eye movements, stimulated over a random time interval, have been investigated in humans. A 0.5-mg dose of the drug (intramuscular injection) had various influences on the basic saccadic parameters. For all subjects duration increased and peak velocity decreased, while for 50% of the subjects saccades became hypometric and latency increased. Standard deviations increased consistently too. Moreover, the Scopolamine treatment affected postsaccadic fixation; at the end of many saccades, the eye drifted considerably, but stability was recovered after a few seconds.

Skunks and gray foxes in a tropical dry region: casual or positive interactions?

Mammalia ◽  
2020 ◽  
Vol 84 (5) ◽  
pp. 469-474
Author(s):  
Gabriela Pérez-Irineo ◽  
Salvador Mandujano ◽  
Eva López-Tello
Keyword(s):  
Biosphere Reserve ◽  
Camera Traps ◽  
Random Time ◽  
Positive Interactions ◽  
Time Interval ◽  
Urocyon Cinereoargenteus ◽  
Random Time Interval ◽  
Overlap Coefficient ◽  
Total Effort ◽  
Negative Interactions

AbstractPrevious studies have shown that skunks present negative interactions with foxes. However, recently published observations have demonstrated that southern spotted skunk (Spilogale angustifrons) individuals follow gray foxes (Urocyon cinereoargenteus) in the Tehuacán-Cuicatlán Biosphere Reserve (TCBR) in Mexico. In this paper, we reported the same interaction in other locations in the TCBR and evaluated whether this interaction is casual or statistically positive. In this analysis, we included data pertaining to three skunk species (S. angustifrons, Conepatus leuconotus, and Mephitis macroura) and U. cinereoargenteus. We sampled 172 sites using camera traps from 2011 to 2018 for a total effort of 49,764 trap-days. The four studied species were nocturnal; the overlap coefficient between foxes and skunks varied from 0.70 to 0.83. Of the 32 consecutive records between S. angustifrons and U. cinereoargenteus, 11 showed that individuals of this skunk species closely followed U. cinereoargenteus and that these encounters were not random (time interval <1 min). We did not find evidence of a behavioral association of U. cinereoargenteus with C. leuconotus and M. macroura.

Random Time-Interval Generator

1974 ◽  
Vol BME-21 (1) ◽  
pp. 68-70 ◽  
Author(s):  
M. Skopitz ◽  
D. Strong ◽  
W. Tatton ◽  
D. Crapper
Keyword(s):  
Random Time ◽  
Time Interval ◽  
Random Time Interval
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