Abstract

Get full access to this article
View all access options for this article.
References
1.
Clausen
J.
Visual sensations (phosphenes ) produced by AC sine wave stimulation . Copenhagen : Munksgaard , 1955 .
2.
Clausen
J.
Karrer
R.
Phosphene thresholds as related to age and sex . J. Psychol. , 1959 , 47 , 189 –198 .
3.
Gocka
E.
Some effects of interruption frequency on the perception of direct current phosphenes . Percept. Mot. Skills , 1959 , 9 , 183 –189 .
4.
Landis
C.
Something about flicker-fusion . Sci. Mon. , 1951 , 73 , 308 –314 .
