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Pathologists and radiologists spend years acquiring and refining their medically essential visual skills, so it is of considerable interest to understand how this process actually unfolds and what image features and properties are critical for accurate diagnostic performance. Key insights into human behavioral tasks can often be obtained by using appropriate animal models. We report here that pigeons Columba livia —which share many visual system properties with humans—can serve as promising surrogate observers of medical images, a capability not previously documented.

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By Sam Wong. Job opportunities for pigeons have been few and far between since electronic communication made their skills as messengers obsolete. But now it seems they could be put to work analysing medical images.

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NEW YORK Reuters Health - Years of schooling and training are needed to teach pathologists and radiologists to spot cancer on medical images, but a new study finds that pigeons can be about as accurate as these professionals, with the help of a few food pellets. People don't have to worry about bird brains diagnosing their cancers any time soon, but the study's lead researcher says pigeons may have a future standing in for pathologists and radiologists in the kinds of mind-numbing studies of new technologies that involve examining thousands of images. Birds don't have the luxury to be irritated. Levenson thought of experimenting with birds when he heard about work by Dr.

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Pigeon Fever is the common term for an infection caused by the bacterial organism Corynebacterium pseudotuberculosis also referred to as Dryland Distemper. It is common misconception that the condition is related to pigeons. Ruminants-such as sheep, goats, and cattle-can also become infected with these bacteria, although cross-species transmission is rare and usually only occurs between horses and cattle because they can carry the same strain.

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Pectus carinatum is a genetic disorder of the chest wall. It makes the chest jut out. This happens because of an unusual growth of rib and breastbone sternum cartilage.

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But a recent study demonstrates that our avian friends have a lot more smarts than we generally give them credit for—especially pigeons. In lab testscommon pigeons were taught to read some of the same subtle cues in x-rays and microscope slides that medical professionals look for to distinguish between healthy and cancerous tissue. After just over two weeks of training, the pigeons could make the correct diagnosis 85 percent of the time, an astonishing level of accuracy that rivals the performance of human pathologists. While you won't be booking an appointment with a pigeon doctor anytime soon, the results suggest that the birds could play a role in evaluating new medical imaging techniques and creating better display technologies.

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Pathologists and radiologists spend years acquiring and refining their medically essential visual skills, so it is of considerable interest to understand how this process actually unfolds and what image features and properties are critical for accurate diagnostic performance. Key insights into human behavioral tasks can often be obtained by using appropriate animal models. We report here that pigeons Columba livia —which share many visual system properties with humans—can serve as promising surrogate observers of medical images, a capability not previously documented.

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During puberty, estrogens from the ovary stimulate growth and development of the duct system. During pregnancy, progesterone secreted by the corpus luteum and placenta acts synergistically with estrogens to bring the alveoli to complete development. After parturition, prolactin in conjunction with adrenal steroids initiates lactation, and oxytocin from the posterior pituitary induces ejection of milk.

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