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The methods shown were developed during study of the effects of monocular visual deprivation. From the age of eight months the cats were forced to use their deprived eye. The cat is conditioned to a noise...
Demonstrates that the detection of body movement, normally considered to be a function of proprioceptors, is in fact mediated to a very significant extent by visual feedback. The concept to the ‘optic flow...
Monocular pattern-deprivation was achieved by eyelid suturing of one eye at the time of natural eye-opening. When the cats were about eight months old they were forced to use their deprived eye by means of a...
Andrew Packard, of the Zoological Gardens in Naples, gives a series of demonstrations of the effects on the baby octopus of rotating visual fields.
Dr Colin Blakemore explains and demonstrates the experiments used to establish the existence of simple, complex and hypercomplex cells in the visual cortex of the cat. The characteristic properties of these...
Examines and demonstrates the mechanics of man’s perception of his environment. Animated sequences show how eyes, ears and touch receptors receive and transmit signals to the brain and how this information...
The work of Ducth graphic artist Maurits Escher is a play of perspectives and illusions of forms and spaces in which he draws the impossible. Boundaries expand to infinity, and floors becomes ceilings and...
Part 5: All the aspects of child development considered in the previous films come together in play. The quality and type of play depend on them all. Looks at the way in which individual and group play...
Illustrates the general ways in which something ceases to be visible: (a) when it ceases to reflect light to the observer’s viewpoint; (b) when it ceases to reflect light at all. Shows several examples of...
Two series of experiments on the visual system of the octopus.
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