Perception of music by infants

Article Abstract:

Observations of 32 four-month-old infants show that human infants have a biological preparedness for preferring perceptually consonant music over dissonant one. Infants look at the music source for a longer period and show less motor activity when they are made to listen to a consonant melodies. Though dissonant melodies also lead to increased motor activity, they cause less fixation. This indicates that dissonant melodies cause arousal due to distress.

Psychological aspects, Analysis, Music, Infant psychology, Auditory perception in children, Childhood auditory perception

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Learning the parts of objects by non-negative matrix factorization

Article Abstract:

Non-negative matrix factorization uses non-negative limitations to learn semantic features of text and parts of faces. This is only viable at a single level. For more complex cases there is a need for multiple levels of hidden variables. The research indicates that synapses are either inhibitors or excitators, but do not change sign.

Synapses

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Self-motion and the perception of stationary objects

Article Abstract:

Research into spatial vision shows that action is an important contributor to depth perception. It is argued that the rigidity hypothesis should be revised to include the special case of stationary objects.

Space perception

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