How Does Touch Connect to our Brain (03:09)

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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