response of squirrel monkeys to high accelerative forces

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Acceleration (Physiology), Saimiri sciu
Statementby John N. Mehelas and Bruce W. Pinc.
SeriesNASA contractor report,, CR-236
ContributionsPinc, Bruce W., joint author., Space/Defense Corporation, Birmingham, Mich.
LC ClassificationsTL521.3.C6 A3 no. 236
The Physical Object
Pagination1 v. (various pagings)
ID Numbers
Open LibraryOL5965433M
LC Control Number65062373

The response of squirrel monkeys to high accelerative forces Response of squirrel monkeys to high acceleration stresses. Document ID. Document Type. Contractor Report (CR) Authors. PHYSIOLOGICAL RESPONSE. Available Downloads Name Type pdf STI cloud_download.

content_copy. Squirrel monkeys' response to inequitable outcomes indicates a behavioural convergence within the primates Article (PDF Available) in Biology letters 7(5) April with 78 Reads.


Details response of squirrel monkeys to high accelerative forces FB2

Material and methods. Twenty-four adult squirrel monkeys (Saimiri sciureus and Saimiri boliviensis; 14 males and 10 females) were tested in their home cages at the Keeling Center for Comparative Medicine and Research of the UTMD Anderson Cancer Center, Bastrop, TX, to testing, food preferences were determined using a dichotomous-choice test to establish a high-value Cited by: Squirrel Monkeys And Its Impact On The Body Size Words 4 Pages Additionally, the attainable range of shoulder mobility relative to over-all body size has an impact upon the fore-limb reaching that occurs over the course of a diagonal sequence gait.

Most of the neurons tested in the superior temporal cortex of awake squirrel monkeys responded to recorded species-specific vocalizations. Some cells responded with temporally complex patterns to many vocalizations.

Other cells responded with simpler patterns to only one call. Most cells lay between these two extremes. On-line deletion of parts of a vocalization revealed the role of temporal Cited by: As we shall see, the particular autonomic response that may be operative at a given time is dictated by the environmental temperature: i.e., squirrel monkeys shiver in the cold and sweat in the heat, but not the reverse, and they will avoid doing either one if an efficient behavioral maneuver is available to them.

Response of mother and infant squirrel monkeys to separation and disturbance. PHYSIOL. BEHAV. 24(5), Plasma cortisol values were obtained from squirrel monkey mothers and infants after two types of brief separation: infant removed to a nearby cage aad infant removed to a different room.

Abstract. A chain-pulling response was initially developed under a shock-postponement (avoidance) schedule with two squirrel monkeys.

Description response of squirrel monkeys to high accelerative forces EPUB

Few responses occurred on a lever where responding initially had no scheduled consequence or, subsequently, when a 3-minute fixed-interval shock-presentation schedule was concurrently arranged for lever responses. Abstract. Inwhen the first treatise on the squirrel monkey appeared, it was already apparent that the physiology of New World monkeys differed from that of Old World primates, but few investigators were aware of the extensive differences in hormone metabolism and secretion (Rosenblum and.

Squirrel Monkeys By: Cassidy Littleton Response & Reproduction Obtaining Nutrients & Eliminating Them Maintaining Homeostasis Circulation & Respiration Squirrel monkeys also have a nervous system that connects to their brain and muscles.

They have the ability to respond to danger. This book is a cute little book learning about Squirrel Monkeys, which I never really knew existed. It tells of their life, from when they are born to when they are considered adults at age 1 and a half.

The illustrations are real pictures of these animals and give great details and facts of them.4/5(2). Black Squirrel Monkey - Saimiri Vanzolini. Size: Squirrel monkeys are one of the smallest New World monkey species. Squirrel monkeys are to 14 inches in length and weigh to lbs., there tails are to inches long.

Male squirrel monkeys are larger than their female coutnerparts. Squirrel monkeys did not respond negatively to inequity. However, the monkeys were sensitive to the variation present in the task; male subjects showed a contrast effect and, as in previous studies, subjects were more sensitive to differences in reward in the context of a.

Squirrel monkey females show a high rate of allomaternal care, with unrelated females carrying and nursing infants as old as 6 months (Williams et al., ). Since squirrel monkey infants are large (up to 18% of the dam’s nonpregnant body weight), allomaternal care may be an important strategy to increase infant survivability.

Posted in baboon, bush baby, capuchin, chimpanzee, gibbon, macaque, marmoset, owl monkeys, primate care, savanna monkey, squirrel monkeys, tamarin. The feeding of Primates.

Decem pm. By Ivan Crab. During recent years, the feeding of PRIMATES has undergone significant changes, as more has been discovered about their nutritional needs. difference in outcomes between squirrel and capuchin monkeys.

First, it is possible that this trait is ancestral among primates, but was lost in squirrel monkeys. However, other studies find no evidence of inequity in orangutans [14, 26, 27], and little evidence in tamarins [24]. A second possibility is that the response is an emergent property of.

As the editors of the first book on the squirrel monkey prophesied in ,* there has been an incredible expansion in primate research during the past 16 years. Their projection that the squirrel monkey would play an increasingly important role in this research effort has also come to be true during the ensuing s: 1.

In this study, I examined seasonal changes in diet and foraging behaviors of two groups of squirrel monkeys (Saimiri sciureus), studied for 12 months in Eastern Brazilian Amazonia, an area characterized by seasonal rainfall. Squirrel monkeys were primarily insectivorous (79% of feeding and foraging time), with fruit consumption highest during.

The lower dominant time constant and gain noted in squirrel monkeys after plugging of all canals in comparison with the findings in cynomolgus monkeys provides an explanation for the substantially lower responses that we noted at 4 Hz in comparison with those observed by Yakushin et al.

Squirrel monkey, (genus Saimiri), most abundant primate of riverside forests in the Guianas and the Amazon River basin, distinguished by a circle of black hairless skin around the nose and mouth set against an expressive white face.

Their short, soft fur is gray to olive green, with whitish underparts. Squirrel monkeys are 25–40 cm (10–16 inches) long, not including the heavy nonprehensile. Apenheul Primate Park, P AB Apeldoorn, The Netherlands Squirrel monkeys (Saimiri spp.) have always been a common sight in zoos, but this seems to have changed in the past few years.

Breeding is often poor, and zoos have discovered that this genus is not as easy to keep as has. The horizontal angular vestibuloocular reflex (VOR) evoked by high-frequency, high-acceleration rotations was studied in five squirrel monkeys with intact vestibular function.

The VOR evoked by steps of acceleration in darkness (3,°/s 2 reaching a velocity of °/s) began after a. As the editors of the first book on the squirrel monkey prophesied in ,* there has been an incredible expansion in primate research during the past 16 years.

Their projection that the squirrel monkey would play an increasingly important role in this research effort has also come to be true during the ensuing years. South American Squirrel Monkey Breeding Resources. Two squirrel monkey breeding colonies are located in South America.

The larger, located in French Guiana at the Pasteur Institute (de Thoisy and Contamin ), is maintained at two sites where approximately squirrel monkeys (S.

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sciureus sciureus) are either housed in an indoor laboratory or are semi-free ranging on an island located. Polson () • Squirrel monkeys • Mesial-distal direction of forces Lindhe et. al () • Beagle dogs • Buccal-lingual forces using high contact points Compared excessive occlusal forces in absence and presence of plaque HKES S.N.

Dental college Squirrel monkeys are constantly on the move. Unlike other primate species, which remain in one place while they placidly munch on leaves, flowers, fruits or other vegetation, squirrel monkeys are adapted to a high-protein insect diet, which means continuous foraging.

All species of squirrel monkey are similar in terms of appearance but vary slightly in color and regions where they live. al Features. Squirrel monkey males appear larger and heavier than females.

On average, squirrel monkeys grow to reach a height of between and 14 inches and attain a maximum weight of pounds Squirrel monkey. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

Essay text: These monkeys live in groups made up of about 40 to 70 individuals. Large group size provides many eyes to search for food.

Squirrel monkeys also associate with other monkey species that have similar food preferences, following them to forage areas.

Latency and first orienting response were measured in playback experiments with six adult squirrel monkeys. After broadcasting yaps with increased frequencies or amplitude, squirrel monkeys showed a longer orienting response towards the speaker than after the corresponding control stimuli.

Squirrel Monkeys inhabit virgin and secondary forests of South America. They also give preference to cultivated regions and often live near water.

They are commonly seen in such countries as Bolivia, Colombia, Ecuador, Peru, Venezuela, and others. Small populations have been observed in Southern Florida.Captive squirrel monkeys were naïve yet still able to correctly respond to alarm calls by displaying vigilant behaviors.

Differences due to captive environments may affect life history traits of squirrel monkey populations. Variation in life history traits occurs between sexes, zoos, and generations of squirrel monkeys maintained in captivity.Oxytocin, when administered centrally, has been associated with the modulation of various social initiatives including maternal and sexual behaviors.

The nature of these effects depends on gonadal hormone status. In the present experiments, we investigated the effects of centrally administered oxytocin on the behavior of pair-housed male squirrel monkeys during interactions with a familiar.