What are visceral sensations?

Epigastric pain or distress, is pain located in the upper and middle region of the abdomen. Some causes are: Dyspepsia, Gastroesophageal reflux, Gastritis Peptic ulcer disease, Pancreatitis,...

It is similar to the feeling of a "falling dream" when stage one of sleep is reached. Hypnagogia is the point between wakefulness and sleep.

Visceral advertising is that which calls out to want rather than need and /or appeals to a visceral [or gut ] feeling , like sex, power , or self-image , or status appeal .

Reflesxes within the internal organs such as when the small intestine starts peristalsis when it detects food.

Specificity of sensory stimulation, transduction as the transmission process to the brain, thresholds, interrelatedness of senses