Monday, May 11, 2009

Louis Herman

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Louis Herman is a researcher of dolphin sensory abilities, dolphin cognition, and humpback whales. He is currently professor in the Department of Psychology and a cooperating faculty member of the Department of Oceanography at the University of Hawaii at Manoa. He founded the Kewalo Basin Marine Mammal Laboratory (KBMML) in Honolulu, Hawaii in 1970 to study bottlenose dolphin perception, cognition, and communication. In 1975, he pioneered the scientific study of the annual winter migration of humpback whales into Hawaiian waters. Together with Adam Pack, he founded The Dolphin Institute in 1993, a non-profit corporation dedicated to dolphins and whales through education, research, and conservation.
Herman currently serves as a member of the Sanctuary Advisory Council for the Hawaiian Islands Humpback Whale National Marine Sanctuary. In total, he has published over 120 scientific papers.
1 Dolphin research
1.1 Animal language
1.2 Echolocation
1.3 Humpback whale
1.4 Cognition and communication
1.5 Vision
1.6 Video media
1.7 Selected Scientific Publications
2 See also
3 External links
Dolphin research
Herman is most known for his research into sensory perception, animal language and echolocation, and more recently on the topic of imitation. The Atlantic bottlenosed dolphins involved in the research programs were Pua, Kea, Akeakamai, Phoenix, Elele, and Hiapo. Akeakamai is perhaps the best-known of the "language" dolphins, and was inserted as a character in David Brin's science fiction novel Startide Rising. In the Hawaiian language, Akeakamai roughly corresponds to: lover (ake) of wisdom (akamai).
Animal language
His 1984 paper on animal language (Herman, Richards, & Wolz, 1984) was published in the human psychology journal Cognition, during the anti-animal language backlash generated by the skeptical critique of primate animal language programs by Herbert Terrace in 1979. The key difference with previous primate work was that the dolphin work focused on language comprehension only. The problem with researching language production was the issue of scientific parsimony: it is essentially impossible to verify that an animal truly understands its own artificial language production. This problem is eliminated with language comprehension studies, because the researchers control the form of the artificial language, and need only observe the behavior of the animal in response to the symbol sequence. Other controls included the use of a blinded observer who was not aware of the sentence given to the dolphin, as well as the balanced presentation of possible word/symbol combinations. Most importantly, the dolphins were tested on their responses to novel sentences they had never before been given, to test for concept generalization. Also, the dolphins were tested in novel sentence grammars and anomalous grammars as well, demonstrating that the dolphins' comprehension was not limited to a finite-state (slot-based) syntax.
The dolphins in this research were named Akeakamai, and Phoenix.
Pack & Herman (1995) demonstrated the bottlenosed dolphin's ability to recognize the shapes of novel objects across the senses of echolocation and vision. In other words if the dolphin viewed an unfamiliar object visually, it could recognize that same object and pick it out amongst dissimilar alternatives when presented to the echoic sense only through the use of an "anechoic chamber", a box submerged underwater with a window of black acrylic glass that is opaque to light, but transparent to echolocation. The objects used for generalization trials were controlled for overall size (and therefore echo strength) and composition (all objects were constructed of PVC). These abilities were measured to be equally strong in both directions, echoic-to-visual, and visual-to-echoic. The dolphin used in this research was named Elele.
Humpback whale
In 1975, Herman pioneered the scientific study of the annual winter migration of humpback whales into Hawaiian waters, focusing on distribution, abundance, behavior, social organization, song, and individual life histories. He coined the term "escort" to designate male whale(s) trailing a mother-calf pair in the wintering waters. He was one of the first researchers to collect a photographic catalog of individually-identifying tail flukes in the Pacific Ocean.
In 1985, an errant humpback whale, dubbed "Humphrey" by national television media, swam up the Sacramento River in California from San Francisco Bay. Herman's idea was to lure it out by playing acoustic recordings of vocalizations from the whales' summer feeding grounds in Alaska.
Cognition and communication
Herman has also published on the following topics in animal cognition and dolphin intelligence: acoustic mimicry, behavioral mimicry (inter-...(and so on) To get More information , you can visit some products about Honey Bee Hive, mercedes benz diagnostic, . The Wireless Dancing Mat products should be show more here!

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