The electrical response of the dark-adapted grasshopper eye to various intensities of illumination and to different qualities of light

The electrical response of the grasshopp

The electrical response of the grasshopper eye under conditions of light and dark adaptation

✍ Jahn, Theodore Louis ;Crescitelli, Frederick 📂 Article 📅 1938 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 913 KB

The typical vertebrate electroretinogram obtained upon illumination of the eye is a complex polyphasic wave. After a short latent period there appears a small deflection (a-wave)2 indicating a condition of negativity of the posterior portion of the eyeball. This is then followed by a rapid positive