Download Listening to Whales: What the Orcas Have Taught Us by Alexandra Morton PDF

By Alexandra Morton

In Listening to Whales, Alexandra Morton stocks spellbinding tales approximately her occupation in whale and dolphin examine and what she has realized from and approximately those excellent mammals. within the past due Seventies, whereas operating at Marineland in California, Alexandra pioneered the recording of orca sounds via losing a hydrophone into the tank of 2 killer whales. She recorded the various language of mating, childbirth, or even grief after the delivery of a stillborn calf. even as she made the startling statement that the whales have been inventing great synchronized hobbies, a habit that used to be quickly famous as a defining attribute of orca society.

In 1984, Alexandra moved to a distant bay in British Columbia to proceed her examine with wild orcas. Her recordings of the whales have led her to a deeper knowing of the secret of whale echolocation, the vocal verbal exchange that permits the mammals to discover their manner in the dead of night sea. a desirable research of the profound communion among people and whales, this e-book will open your eyes anew to the wonders of the traditional world.

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Concordance group Cl + C2 must be considered for a direct comparison with previous twin studies in schizophrenic research. The rates are 50% for monozygotic pairs and 20% for dizygotic pairs (age-adjusted: 55% and 23%). These values coincide with the average from the con- Concordance rates 53 cordance rates of all previous twin studies (monozygotic pairs 54%, dizygotic pairs 10%, without age adjustment).

Table 13 shows that there were slight age differences in the age at the onset between men and women within individual diagnostic Table 12. 3%) Demographic data of the subjects 47 Table 13. 2 SD) Other diagnoses of the schizophrenic spectrum (DSM-lII-RIICD 10) subgroups (cycloid psychoses and other spectrum psychoses apart from schizophrenia according to DSM-III-R1ICD 10). Social situation (school, occupation, marital status) Tables A6 and A7 in the Appendix show the social situation of the subjects at the time of the first hospitalization and at the time of the follow-up study.

1965). The authors reported in 1966 that in 11 discordant pairs the schizophrenic twin was the lighter twin at birth in 11 cases (between 15 g and 793 g) and was the second born in eight cases (pollin et al. 1966). Stabenau and Pollin (1967) found in earlier twin studies of discordant pairs that the ill partner was often smaller, weaker and lighter at birth and was often affected by asphyxia or other birth complications. In 1971 Mosher et at. reported that in 15 discordant pairs, the ill index-twin showed neurological irregularities significantly more often, had more difficulties during birth, and was the lighter twin in 12 cases.

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