scholarly journals Cortical potentials evoked by the onset and the termination of foveal stimulation

1968 ◽  
Vol 11 (10) ◽  
pp. 357-357 ◽  
Author(s):  
Neil R. Bartlett ◽  
Carroll T. White
1951 ◽  
Vol 34 (4) ◽  
pp. 463-474 ◽  
Author(s):  
Conrad G. Mueller

1. The percentage of times a human subject detects an increment (ΔI) in intensity was determined as a function of the magnitude of the increment and the magnitude of the stimulus (I) to which the increment is added. 2. Foveal stimulation was used, and five frequency of seeing curves were obtained at each of nine values of adapting intensity covering the range from –1.45 to 4.45 log photons. Each frequency of seeing curve shows the percentage of times an increment in intensity is detected as a function of the logarithm of the increment. 3. The slope of the frequency of seeing curve increases slightly with an increase in I and finally becomes independent of I at medium to high intensities. 4. The implications of the results for quantum theories of visual excitation are considered.


Eye ◽  
2020 ◽  
Author(s):  
Jeff Rabin ◽  
Julie Lovell ◽  
Neda Tahvilian ◽  
Annie Ku ◽  
Tayde Contreras ◽  
...  

1998 ◽  
Vol 114 ◽  
pp. A766
Author(s):  
A. Hobson ◽  
S. Sarkar ◽  
O. Aziz ◽  
P. Furlong ◽  
J. Barlow ◽  
...  

Neuroreport ◽  
2017 ◽  
Vol 28 (3) ◽  
pp. 115-122 ◽  
Author(s):  
Feng Guo ◽  
Yong-Jun Sun ◽  
Ri-Hui Zhang

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