Prehension in Cebus and Saimiri: I. Grip type and hand preference

@article{Costello1988PrehensionIC,
  title={Prehension in Cebus and Saimiri: I. Grip type and hand preference},
  author={Michael B. Costello and Dorothy Munkenbeck Fragaszy},
  journal={American Journal of Primatology},
  year={1988},
  volume={15}
}
Prehension was examined in tufted capuchins (Cebus apella) and squirrel monkeys (Saimiri sciureus). Individual subjects were videotaped from frontal and sagittal planes while they grasped small objects presented in several ways (in view, out of view, embedded, moving). Capuchins used a precision grip in 30% of trials and in more than half of trials with stationary objects. Most (54%) of the precision grips used were opposition of the thumb to the index finger; however, eight other forms were… 
Grasping behavior in tufted capuchin monkeys (Cebus apella): grip types and manual laterality for picking up a small food item.
TLDR
Analysis of prehension in 20 tufted capuchins in a reaching task requiring individuals to grasp a small food item fixed to a tray revealed that precision grips were as efficient as power grips; for precision grips, the left hand was faster than the right hand; and for power grips, both hands were equally quick.
Manual Function in Cebus apella. Digital Mobility, Preshaping, and Endurance in Repetitive Grasping
TLDR
It is concluded that precise finger coordination is more effortful and less well coordinated, and the coordination is less lateralized, in capuchins than in catarrhine primates.
Versatile grasping ability in power-grip actions by tufted capuchin monkeys (Sapajus spp.).
TLDR
Findings clarify the extent to which manual dexterity and cognitive abilities can be expressed in the grasping tasks of highly manually skilled primate species.
Compound grips in tufted capuchin monkeys (Sapajus spp and Sapajus libidinosus)
TLDR
It is predicted that any primate species that exhibits precision grips and independent digit movement can perform compound grips, and whether and how tufted capuchin monkeys use onehand to hold one or more objects with multiple grips (compound grips) is predicted.
Grip preference, dermatoglyphics, and hand use in captive chimpanzees (Pan troglodytes).
TLDR
The results indicated that chimpanzees exhibit significantly more thumb-index responses for the right compared to the left hand, and fingerprint patterns were more prevalent for subjects that had a whorl compared to a loop or arch on their thumb.
Object grasping and manipulation in capuchin monkeys (genera Cebus and Sapajus)
TLDR
The aim of this work is to provide an overview of current knowledge on the ability of capuchins to grasp and manipulate objects, with a special focus on how these species express their cognitive potential through manual behaviour.
Hand preferences of captive chimpanzees (Pan troglodytes) in simple reaching for food
TLDR
A developmental shift in hand preference and manipulative patterns is demonstrated and functional asymmetries between the right and the left hand in Pan troglodytes are revealed.
Precision grips in young chimpanzees
TLDR
Evidence is provided that young chimpanzees preferentially use a true precision grip to prehend small and very small objects.
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