The process of receiving stimulus energy from the environment and transforming it into neural energy is called
What is sensation?
In the visual system, the opening in the center of the iris is known as this
What is the pupil?

Part of the outer ear
In the context of the chemical senses, taste buds are bunched together in the
What are the papillae?
![]()
The somatic sensory system in the body is responsible for your sense of
Rachel is walking in the woods and feels a sudden pain in the back of her neck. Due to the nature of the pain she recognizes that she has been stung by a bee. In this scenario, which of the following processes has most likely helped her identify the source of her pain?
The clear membrane just in front of the eye
In the auditory system, the hammer, anvil, and stirrup are an intricately connected chain of the three smallest of these in the human body.
What are the bones?
In the context of the chemical senses, this lining of the roof of the nasal cavity which contains a sheet of receptor cells for smell is called
What is the olfactory epithelium?
This is the outer layer of the three layers that make up the skin. It provides a barrier to infection from environmental pathogens and regulates the amount of water released from the body into the atmosphere
In the context of perception, this type of processing involves starting with a sense of what is happening and then applying that framework to incoming information from the world
What is top-down processing ?
In the visual system, _____ are the receptors in the retina of the eye that are sensitive to light but are not very useful for color vision.
What are rods?
In the auditory system, the _____ or tympanic membrane separates the outer ear from the middle ear and vibrates in response to sound.
What is the eardrum ?
Taste buds go through a life cycle where they grow from basal cells into taste cells and then die and are sloughed away. According to Dr. Linda Bartoshuk, their normal life cycle is
(However, burning your tongue on hot foods can also kill taste buds)
What is the anywhere from 10 days to two weeks?
Skin contains receptors for touch, pressure, and this unfortunate thing
What is pain?
Jacari decides to watch a documentary on sensation and perception. He learns that the two processes of sensation and perception are essentially inseparable. In this scenario, Jacari has used
What is bottom-up processing?
The multilayered light-sensitive surface in the eye that records electromagnetic energy and converts it into neural impulses for processing in the brain is known as this
What is the retina?

The function of the muscles of the middle ear
What is to amplify sound waves?
The loss of the sense of smell, either total or partial. It may be caused by head injury, infection, or blockage of the nose
In the context of the skin senses, when warm and cold receptors that are close to each other in the skin are stimulated simultaneously, a person experiences the sensation of this
Craig likes to add two spoons of sugar to his coffee. When he adds three spoons of sugar to his coffee, he does not notice a difference. Craig also likes to add two spoons of sugar to his milk. In this case, however, he notices a difference when he adds three spoons of sugar. This phenomenon is best explained by what
What is Weber's law?
Jane was in a car accident, which caused severe damage to her head. As a result, Jane’s vision was affected. Although her eyes are able to detect visual stimuli and form images on her retina, her brain is not receiving the visual information. This problem with Jane’s vision is most likely due to improper functioning of this
What is the optic nerve?
Samantha was injured by a fall and lost her sense of hearing. The doctor who operated on her injuries stated that the hair cells in Samantha’s ears were damaged. In order to help Samantha detect sound again, the doctor would be most likely to suggest this
What is a cochlear implant?
Each olfactory neuron has this many odor receptors
There are this many nerve endings for touch on each fingertip
What is 3000?