Chapter 5 - Sensation, Perception, & Motor Skills

Chapter 5 - Sensation, Perception, & Motor Skills -...

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02/18/10 Chapter 5: Do you see what I see? Do you hear what I hear? I. The Senses Sensory and perceptual processes – means of receiving, selecting, modifying, and organizing incoming stimuli Five senses – means of receiving sensory input o Smell – newborns have a keen sense of smell - Smile and turn toward pleasant aromas - Frown and turn away from unpleasant aromas - Recognize familiar smells (e.g., mother’s scent) o Taste – newborns have a developed sense of taste - Differentiate between sweet, sour, bitter, and salty - Prefer sweet tastes o Touch – newborns readily respond to touch - Reflexes evoked as a result of specific types of touch - Infant massage – stimulatory and facilitates bonding - Harrow’s surrogate mother experiments - Pick either cloth mother for comfort or wire mother with food. Monkeys preferred cloth mother when danger or stress were involved in the situation. o Hearing – newborns can hear but have higher auditory threshold than adults (fetuses hear in the womb at 7-8 months) - Auditory threshold – quietest sound one can hear
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- Hear sounds best when pitch is in range of human speech (adaptive) - Differentiate between sounds - Use sounds to locate objects o Sight – newborns can see but have lower visual acuity than adults - Visual acuity – smallest pattern reliably distinguished
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This note was uploaded on 04/29/2011 for the course PSYC 2350 taught by Professor Miller during the Spring '08 term at University of Houston.

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Chapter 5 - Sensation, Perception, & Motor Skills -...

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