Classical Conditioning. The people who fed Pavlov's dogs wore lab coats. Pavlov noticed that the dogs began to drool whenever they saw lab coats, even if there was no food in sight. Pavlov wondered why the dogs salivated at lab coats, and not just at food.
A small banana contains 90 calories. Photo Credit StockSolutions/iStock/Getty Images. One small banana contains 90 calories, 23 grams of carbohydrates, 1 gram of protein, 2.6 grams of fiber and less than 1 gram of fat. Additionally, it contains 362 milligrams of potassium which helps maintain the fluid balance in your body.
This means when eating 2,000 calories daily, aim for 225 to 325 grams of carbs and when following a 2,500-calorie plan, shoot for 281 to 406 grams of carbs each day. Of the 23 grams of carbs in a small 3.7-ounce banana, 12 grams are from natural sugar, a type of carbohydrate.