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The development of a number of sensorimotor reflexes was studied in the Brazilian opossum Monodelphis domestica. At birth, an opossum's forelimbs execute rhythmic, alternate movements which resemble swimming, whereas the hindlimbs are little more than embryonic buds that do not move independent of the trunk. It is possible, therefore, to witness the entire(More)
The origin of the long descending propriospinal (LDP) projections have been studied in adult and developing opossums, Monodelphis domestica. This species has been chosen because of the considerable immaturity of the hindlimbs at birth, the postnatal appearance of their motility and the late development of coordination between them and the forelimbs.(More)
The development of spontaneous locomotor behaviors was studied in the opossum Monodelphis domestica. The newborn opossum performs alternate, rhythmic movements with its forelimbs to crawl on the mother's belly where it attaches to a nipple, and its hindlimbs are little more than embryonic buds. The forelimbs retain the above movements for about 3 weeks,(More)
The ontogeny of a number of sensorimotor reflexes has been studied in the Mongolian gerbil. In contrast to a number of other mammals, the gerbil has relatively long and strong hindlimbs but small forelimbs, indicating their different importance for a number of locomotor acts, and during the developmental period studied, the hindlimbs grow at a much faster(More)
Most behavioral studies on the ontogeny of sensorimotor reflexes and locomotion were done in quadrupedal species with equally developed forelimbs (FL) and hindlimbs (HL). In contrast, the Mongolian gerbil has long and strong HL but relatively small FL, indicating their differential use for locomotion. We have used the gerbil to study the ontogeny of a(More)
Sponsored by the European Commission, the FP7 STIFF-FLOP project aimed at developing a STIFFness controllable Flexible and Learn-able manipulator for surgical operations, in order to overcome the current limitations of rigid-link robotic technology. Herein, we describe the first cadaveric series of total mesorectal excision (TME) using a soft and flexible(More)
surface following finger is an indispensable mechanism to enable a dexterous robotic hand to recognize and study the surface properties of an object, namely, texture, material type and contours [1][2]. To follow an arbitrary surface geometry, a vision and proximity sensing based approach have been investigated in [3] and [4]. Force/tactile based methods are(More)
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