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Sensation (2) (Chemical Senses (Olfaction (Smell) (Olfactory Bulb (Located…
Sensation (2)
Chemical Senses
Olfaction (Smell)
Olfactory Bulb
Located on underside of brain
Processes smell
Close to limbic system: smell is closely related with memory
Olfactory Receptors
Located in the nasal cavity; send message to olfactory bulb when smell is detected
Gustation (Taste)
Papillae
Clusters of taste buds
Sensory receptors for taste
Sensory Interaction
One sense affects another sense
Touch
Skin senses
Cold
Pain
Warmth
Pressure
Gate-Control Theory
Top-down
Psychological:
Distraction, Placebo
Socio--cultural:
"Men shouldn't express emotion"
Biological:
Endorphins
Bottom Up
Send competing stimulus:
scratching when itchy
Neural gate that can block pain
Body Position and Movements
Kinesthesis
Body parts position and movement -
Proprioception
Joints and muscles
Vestibular Sense
Controlled by semicircular canals in the inner ear
Vestibular sacs use gravity to encode information about the head's orientation
Monitors head and body's position - Balance