choices to choose from
smell
pain
pressure
touch
nand gate
1. Explain NOR gate as Universal Gate A NOR gate is a simple OR gate with an inverter (NOT gate) at the output. NOR gates are considered Universal Gates because thay can be configured in a few different ways. Connecting the inputs on a NOR gate will result in a NOT gate (inverter). Connecting the above to the output of a NOR gate results in an OR gate.
What does gate means
A NOR gate is a digital logic gate that outputs true (1) only when both of its inputs are false (0), effectively functioning as an inverted OR gate. In contrast, an OR gate outputs true if at least one of its inputs is true. Therefore, while the OR gate produces a high output for any combination of high inputs, the NOR gate will only produce a high output when all inputs are low. This means the NOR gate combines the functions of an OR gate with a NOT gate.
universal logic gate is a gate using which you can make all the logic gates there are two such gates NOR gate and NAND gate
Pain gate theory suggests that non-painful input can close the "gates" to painful input, decreasing pain sensations. This theory explains how activities like rubbing a bumped elbow can provide relief. The gate control theory of pain was proposed by Melzack and Wall in 1965.
The Gate-Control Theory of pain perception was developed by Melzack and Wall's who indicated that the spinal cord contains a type of neurological "gate" which opens and closes to either allow or block pain signals to travel to the brain.
pain gate theory
In the 1960s, Ronald Melzack and Patrick Wall theorized that the spinal cord possesses a neurological gate that stops pain warnings.
gate-control theory
spinal cord, allowing pain signals to travel to the brain. Larger nerve fibers can also close this gate, inhibiting the transmission of pain signals and modulating the pain experience. By understanding and manipulating this gate, various pain management techniques can be employed to alleviate pain.
The gate-control theory suggests that a "gate" in the spinal cord can open or close to control the transmission of pain signals to the brain. Applying pressure, heat, or ice can stimulate the nerve fibers that carry these sensations, which can then help to "close" the gate and reduce the perception of pain. Massage therapists can use these techniques to help alleviate pain by manipulating the input of sensory information to the brain.
Gates theory has to do with the speed of nerve impulse transmission. The neurons that transmit impulses for pain, such as nociceptors, are unmyelinated and travels slower. The receptors that are stimulated by cold travel faster. So, if you a cold pack on the part of the body that is in pain, the signal would get to the spinal cord faster than the pain and 'close the gate.'
the gate control theory states that peripheral nerve fibers carrying pain to the spinal cord can have their input modified at the spinal cord level before transmission to the brain. synapses found in the dorsal horns acts as gates that close to keep impulses from reaching brain or open to allow impulse to pass. small diameter fibers are the ones carrying pain impulses while large diameter fibers carry nonpainful impulses. applying touch to area of pain decreases pain because touch stimulates the large fiber diameters which in turn closes the 'gate'
Melzack and Wall's gate control theory is essentially the idea that there are large myelinated fibers that synapse onto the projection neuron. When pain is sensed, this projection neuron normally has increased activity, which activates a C fiber (an unmyelinated type of fiber that is responsible for the transmission of prolonged, dull pain). If the large myelinated fibers are stimulated, though, causing an increase in their activity, they activate an inhibitory interneuron which inhibits the activity in the C fiber and the projection neuron, cutting of the signal of pain. So, the idea is, if the large fibers remain unstimulated, the pain signal will be propagated, but if they are activated, they act as an electrical gate, blocking the transmission of pain up the C fiber.
Fibers that help close the pain gate are known as A-delta and C fibers. A-delta fibers transmit sharp, acute pain signals to the brain, while C fibers transmit dull, throbbing pain signals. Activation of these fibers can help close the pain gate by sending inhibitory signals to the spinal cord to reduce the perception of pain.
1. gate of oppening 2. gate of rest 3. gate of life 4. gate of pain 5. gate of closing 6. gate of joy 7. gate of shock 8. gate of death