Answer:
Habituation
Explanation:
Habituation is knowns as an extremely simple form of learning. It occurs in an animal. After a period of exposure to a stimulus the person or animal stops responding.
The intriguing aspect of habituation is that it can occur at different levels in the nervous system.
Answer:
Individuals often graduate college thousands of dollars in debt.
Answer:
D. Humankind spread to inhabit all parts of the globe.
Explanation:
Paleolithic humans were nomads, so they moved from place to place when they were running out of food. This led to a big spread of humankind from Africa to Eurasia, the Southeast region of Asia, and Australia. Afterward, they started inhabiting Europe to finally reach America from North to South.
This hearing reflex is due to the response of the inferior colliculus located at the back of the midbrain to stimuli such as noise. Basically, the inferior colliculus is the main auditorium of the human body. External sounds travel as sensory-auditory signals to the inferior colliculus through electrochemical currents so that they can process this information to the central brain. It consist of two front lobes corresponding to both ears. It regulates frequency recognition, pitch discrimination and signal integration. This is also what facilitates your selective hearing where you cannot hear your self-induced sounds like breathing and chewing.