sensation and perception biological component. the five sense
TRANSCRIPT
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Sensation and Perception
Biological Component
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The Five Sense
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Five Senses• Touch = Skin; Sensory Neurons; Parietal
Lobe• Smell = Olfactory Bulb; Olfactory Cortex;
Amygdala; Hypothalamus; Frontal Lobe • Taste = Taste Buds; Five taste: sweet, sour,
salty, bitter, and umami (savory); Smell; Sight
• Hearing = Sound Waves; Outer-Middle-Inner-Ear; Auditory Cortex; Corpus Callosum; Temporal Lobe
• Sight = Retina; Visual Cortex; Corpus Callosum; Occipital Lobe
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I. Touch – SkinA.) Skin Layers 1. Epidermis ;Dermis ;Subcutaneous
Tissue B.) Somatosensory System 1. Nerve endings and receptorsC.) Brain Parts (body) 1. Thalamus = sends message to PL 2. Parietal Lobe (PL) = process
sensory info. to make awareness of function
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I. Touch – Skin
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II. Smell – NoseA.) Nose - Nasal Cavity 1. Smell receptor in
liningB.) Olfactory Nerve 1. send odor to bulbC.) Olfactory Bulb
(translator)D.) Hippocampus &
Amygdala 1. help form memory of
smell
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III. Mouth & other partsA.) Taste Buds = organs of tasteB.) Papillae = elevated taste
receptorsC.) Location of taste sense debatablyD.) Taste senses 1. Salty 2. Sour 3. Sweet 4. Bitter 5. Umami (Japanese – Hearty)
E.) Varying Facial nerves carry taste signals
to your Thalamus then your Parietal Lobe
F.) Elements of Sight and Smell play a factor into taste – what you see and smell influence your perception of taste
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III. Mouth & other parts
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IV. Sound – EarA.) Outer Ear (pinna – cartilage)
1. brings in sound waves / vibration {W/V}
B.) Auditory Canal 1. amplifies W/V & provides
protectionC.) Eardrum (Tympanic Membrane)
1. external W/V are transferred into internal W/V
D.) Inner Ear 1. funnels W/V through
E.) Cochlea 1. converts W/V into neural impulsesF.) Auditory Nerve (AN) 1. carries signal to the brain
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IV. Sound – Ear
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V. Sight - Eye A.) The Cornea (clear lens)
1. Clear bulging - front of the eye 2. Primary refractive surface (starts focus process)B.) Pupil (black sphere)
1. Regulates amount of light (dilates) C.) Lens (clear lens)
1. Focus light rays into RetinaD.) Retina (thin tissue – back of eye)
1. Receives images 2. Converts images into electrical
impulses E.) Optic Nerve
1. carry visual information to brain
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V. Sight - Eye
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PERCEPTIONMain
Concepts
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• Top-Down = perceptual processes in which information from an individual's past experience, knowledge, expectations, motivations, and background influence the way a perceived object is interpreted and classified
• Bottom-Up = perceptual process based on the sensory data available in the environment; results of process are passed upward toward more abstract representations
• Accommodation = involves altering one's existing ideas, as a result of new information or new experiences