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Mechanisms of Eye Hand Coordination by Atul Gopal P a at Abbey's Bookshop,
Mechanisms of Eye Hand Coordination
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Atul Gopal P a

Mechanisms of Eye Hand Coordination

Atul Gopal P a

$57.95   $49.55

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English
Akhand Publishing House
17 December 2022
Ophthalmology
Eye and hand movements can be made independent and in isolation of each
other. Yet, a tight coordination between the eyes and hands are observed, particularly in

those tasks that demand, manipulating objects in external space. For example, when

subjects were asked to do a simple day to day activity of making sandwiches, the eyes

were always found to land on the intended target of the hand before the hand initiates the

movement (Johansson et al., 2001; Land and Hayhoe, 2001; Hayhoe et al., 2003; Hayhoe

and Ballard, 2005). This tight coupling between eye and hand is a consequence of having

a retina that has maximum visual acuity at the centre or the fovea, where there is a

maximum concentration of photoreceptors. To overcome this limitation, the eye is

rapidly rotated in the orbit, to redirect the high acuity fovea to specific regions in visual

periphery, so that high resolution information can be obtained. The rapid eye movement

that shifts the fovea to the region of interest is called a saccadic eye movement. To

precisely manipulate a knife, to cut the bread or spread jam on a slice of bread, high

acuity visual information regarding the position of these objects are needed. Hence a

tight coupling between the saccadic eye and hand movements is always seen when

subjects perform such activities. Such a tight coupling between the eye and hand is also

crucial for the survival of an arboreal primate like a monkey which is swinging from one

branch to the other, so that the eyes are locked to the target of the intended hand

movement. Thus eye-hand coordination maybe crucial for survival, hence favored by

natural selection thereby facilitating complex actions in peripersonal space among

primates, including humans.
By:  
Imprint:   Akhand Publishing House
Dimensions:   Height: 229mm,  Width: 152mm,  Spine: 13mm
Weight:   336g
ISBN:   9781879658110
ISBN 10:   1879658119
Pages:   248
Publication Date:  
Audience:   General/trade ,  ELT Advanced
Format:   Paperback
Publisher's Status:   Active

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