How Does Touch Connect to our Brain (03:09)
Touch influences sensation, movement, and thought process; it affects both brain regions on conscious and unconscious levels. Friendly touch releases oxytocin. Fact: babies lose half their neurons before birth.
Tactile Illusions (03:10)
Our sense of touch has five mechanisms that register pain, heat, cold, pressure, and physical contact. Try the Aristotle Illusion. Fact: the human cerebellum weights about 150 grams.
Size-Weight Illusion (03:10)
Augustin Charpentier was the first to demonstrate the illusion; see several examples of contrast with an object's expected weight. Fact: you have taste receptors in several organs.
Distinguishing Hot and Cold (03:10)
Thermoreceptors are sensitive to temperature changes; nociceptors detect those that can be dangerous. Lindstedt discovered the thermal grill illusion. Fact: scratching releases endorphins.
What is Phantom Limb? (03:10)
Phantom limb is the sensation that a missing limb or organ is still attached and moving normally. Try the phantom limb illusion. Fact: the brain has no sense of pain.
What is Vertigo? (03:10)
Vertigo, the sensation of spinning or moving, happens as a result of brain signal conflicts. Learn the four systems that maintain balance and orientation, and vertigo symptoms. Fact: short-term memory stores a maximum of seven digits.
Multisensory Integration (03:44)
Multisensory integration reveals how our nervous system integrates different senses; see examples. Visual modality is more biased than our other senses. Review the sense of touch.
Credits: Illusions of Touch (00:20)
Credits: Illusions of Touch
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