Brain 3-D Image (video) Research Organization of Information and Systems Share Print E-Mail Loading video... Caption 3-D image of the neurons essential for fear conditioning in zebrafish. A transparent brain was prepared from the transgenic fish and analyzed by light-sheet microscopy. Cell bodies located in the dorsomedial telencephalon (Dm) and their projections to the hypothalamic area are visualized. Credit Koichi Kawakami Usage Restrictions Credit required. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.