Unit 3 reading 3 143-155. Sensation: Skin Chemical, body senses, body interactions

Touch

Sensory system that allows us to perceive physical contact with objects in our environment through special receptors on the skin for distinct Sensations pressure pain cold warmth 

Nociceptors

 speciaized sensory receptors located throughout the skin and organs that detect harmful or damaging stimuli

gate control theory

 theory that the spinal cord consists of a neurological gate that blocks pain signals or allows them through to the brain

endorphins

 neurotransmitter produced by the central nervous system and pituitary gland that acts as natural painkillers and mood relievers

Phantom limb sensations  

 Sensations from limbs that people don't have mostly from amputation

tinnitus

 perception of noise or ringing in the ear or head with no external sound present

gustation

our sense of taste

olfaction

our sense of smell

pheromones

 chemical substances produced in an environment by an animal or person that influence a person's Behavior

proprioceptors

 special sensory receptors in joints, muscles ,and tendons that respond to inner body positions and movement

kinesthesis

 our movements sense, our system for sensing the position and movement of body parts

vestibular sense

 our balance sense, sense of body movement and position that enables our sense of balance

semicircular canals

 fluid-filled tubular channels in the inner ear a part of the vestibular system, looks like a pretzel

vestibular sacs

 Calcium crystal-filled, contains fluid and hair cells, responds to gravity and linear acceleration

sensory interaction

 Principle that one sense may influence the other, as one smell of food influences taste

McGurk effect

 phenomenon when a visual component of one sound is paired with the audio of another sound leading the brain to integrate the conflicting cues and perceive a different sound

embodied cognition

 influence of bodily Sensations gestures or and other states on cognitive preferences and judgments 
- sitting in a cold room can make someone mean

synesthesia

 neurological condition where the stimulation of one sensory pathway leads to automatic and voluntary experiences in a second unrelated sensory pathway, when listening to music some people see colors