Low frequency hearing in cephalopods Export

@article{CephLowFreq, abstract = {Summary Classical conditioning was employed to test the sensitivity of cephalopods to vibrations between 1 and 100 Hz generated in a standing wave acoustic tube. The animals were trained to associate sound stimuli with a weak electric shock, and the recorded conditioned responses were changes in breathing and jetting activity. Five specimens of Sepia officinalis were tested, and all responded to these low frequency sounds. The relevant stimulus parameter was particle motion rather than sound pressure. The threshold values (measured as particle acceleration) decreased towards lower frequencies in the tested range, reaching values below 4 × 10-3 m/s2. The thresholds in the most sensitive range may have been masked by the considerable background noise at the experimental site (Naples). Two individuals of Octopus vulgaris and one Loligo vulgaris were also tested, and showed a similar sensitivity to low frequency sound.}, author = {Packard, A. and Karlsen, H. E. and Sand, O.}, citeulike-article-id = {2801912}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/BF00192020}, day = {1}, doi = {10.1007/BF00192020}, journal = {Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology}, keywords = {plymouthposter}, month = {February}, number = {4}, pages = {501--505}, posted-at = {2008-05-15 15:50:29}, priority = {2}, title = {Low frequency hearing in cephalopods}, url = {http://dx.doi.org/10.1007/BF00192020}, volume = {166}, year = {1990} }

TY - JOUR ID - CephLowFreq L3 - citeulike-article-id:2801912 N2 - Summary Classical conditioning was employed to test the sensitivity of cephalopods to vibrations between 1 and 100 Hz generated in a standing wave acoustic tube. The animals were trained to associate sound stimuli with a weak electric shock, and the recorded conditioned responses were changes in breathing and jetting activity. Five specimens of Sepia officinalis were tested, and all responded to these low frequency sounds. The relevant stimulus parameter was particle motion rather than sound pressure. The threshold values (measured as particle acceleration) decreased towards lower frequencies in the tested range, reaching values below 4 × 10-3 m/s2. The thresholds in the most sensitive range may have been masked by the considerable background noise at the experimental site (Naples). Two individuals of Octopus vulgaris and one Loligo vulgaris were also tested, and showed a similar sensitivity to low frequency sound. IS - 4 JF - Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology EP - 505 TI - Low frequency hearing in cephalopods VL - 166 SP - 501 KW - plymouthposter AU - Packard, A AU - Karlsen, HE AU - Sand, O PY - 1990/02/01/ UR - http://dx.doi.org/10.1007/BF00192020 ER -