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What is a stimulus and how does it affect the nervous system?
A stimulus is a signal that triggers a response in the body. When a stimulus is detected by sensory receptors, it sends signals to the nervous system. The nervous system then processes this information and coordinates a response, which can involve actions such as movement, secretion of hormones, or changes in heart rate.
Can You List 3 Stimuli And The Receptors Used To Detect Them?
Light - detected by photoreceptors (rods and cones) in the retina of the eye. Sound - detected by mechanoreceptors in the inner ear, such as hair cells in the cochlea. Touch - detected by mechanoreceptors in the skin, including Merkel cells, Meissner's corpuscles, and Pacinian corpuscles.
Which is not a major type of stimulus that triggers endocrine glands to manufacture and release hormones?
One type of stimulus that does not trigger endocrine glands to release hormones is mechanical stimulation. Examples of major types of stimulus include chemical signals, neural signals, and hormonal signals.
How does stimulus travel in the body?
Stimulus travels in the body through the nervous system. When a stimulus is detected by sensory receptors, it triggers electrical impulses that travel along nerve cells to the brain. The brain then processes the information and sends signals to coordinate a response, such as moving a muscle or experiencing a sensation.
What is the stimulus that triggers responses in the nervous system?
The stimulus that triggers responses in the nervous system is typically a sensory input, such as touch, sound, light, or chemicals, that is detected by sensory receptors in the body. This information is then transmitted to the brain and spinal cord, where it is processed and elicits a response from the nervous system.
Which type of stimulus is detected by photoreceptors?
light
What type of stimulus is detected by photorceptors?
Photoreceptors detect visual stimuli, specifically light. They are cells in the retina of the eye that are sensitive to different wavelengths of light and help to initiate the process of vision.
A stimulus is detected and changed to an impulse by what?
receptor
A stimulus that cannot be detected at least 50 of the time is said to be?
Subliminal.
A change that causes a response in your body is a what?
A change that causes a response in your body is a stimulus. When a stimulus is detected by the body, it triggers a reaction that helps maintain balance and homeostasis.
Which type of stimulus is an allergen such as pollen?
External Stimulus
What type of sensory receptor allows detection of light and vision?
photoreceptors
What are the 2 types of photoreceptors?
On-center photoreceptors and Off-center photoreceptors.
What type of sensory neuron would likely respond to a green light?
photoreceptors
What are the four characteristics of a stimulus in stimulus coding?
The characteristics are modality (type of stimulus), intensity (strength of stimulus), duration (length of stimulus), and location (where the stimulus occurred).
What are photoreceptors and their functions?
Photoreceptors sense light. They are what allows you to see.
What is a stimulus and how does it affect the nervous system?
A stimulus is a signal that triggers a response in the body. When a stimulus is detected by sensory receptors, it sends signals to the nervous system. The nervous system then processes this information and coordinates a response, which can involve actions such as movement, secretion of hormones, or changes in heart rate.
