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How old of a child? If your child receives physical, occupational, speech therapies, etc, ask the therapists. Also, if the child is in Early Intervention or preschool/school ask the person in charge. Good luck!

1. do i have Extra Sensory Perception?

it can be or it can be the fact that your mind has a subconscious clock that ticks along with the timer. ESP normally means that you can sense or predict things that you are not aware are happening though

2. What are the four different types of general sensory receptors?

This Site Might Help You. RE: What are the four different types of general sensory receptors? What are their function?

3. how is a sensory neuron adapted to perform its function?

Sensory neurons have longer dendrites & shorter axons.they carry impulses from sensory organs to spinal cord/brain.motor neurons have longer axons & shorter dendrites. they carry impulses from spinal cord/brain to the effector organs

4. I am a preschool teacher. I want to make a sensory board with touchy-feely items. Any ideas to include?Thanks!

Items for your board: sandpaper, sponge, fleece, aluminum foil, wool, orange peel (of course, this will dry out and will need to be replaced), brillo pad,

5. What type of input does the sensory neuron takes? Is it some kind of sinusoidal current or the spike trains?

It depends on the sensory neuron. You can see this with all the different senses you have.Your visual sensory neurons get damaged when exposed to a spike in stimulus:Blinded by the lightDo not look straight into the sunUse a special visor when looking at a eclipsThis also happens two your hearing neurons, expose them to sound beyond 130 dB and you could go death.So for your ears and eyes it is important that the stimulus is constant and stays above and below a certain level of intensity. However when it comes to pressure or temperature sensing neurons you see that these can be divided into two groups: the once that react to a slow increase and tell you the weather is getting better or your pants are pressing into your abdomen after a big meal. Or the other group that tells you to react quickly to a sudden increase in temperature or impact, to prevent burn or breaking.Which means that there are many different sensory neurons and they are not evenly dispersed around your body, but are grouped into locations where they are the most useful. For example your fingers are not that good at sensing temperature differences, but great a sensing temperature spikes. A reason why as a parent you better use the back of your hand or your elbow to measure the temperature of the milk you want to serve your baby or the water you want to use to bath your baby. However if you want to control holding something delicate, you better use your hands, as these are great at measuring small pressure difference in relation to resistance and muscle power. To conclude both models are used by our senses to inform our brain of what is happening around us in the physical world.What type of input does the sensory neuron takes? Is it some kind of sinusoidal current or the spike trains?

6. Why is the retina derived from CNS, while the other sensory organs are derived from PNS?

"Why is the retina derived from CNS, while the other sensory organs are derived from PNS?"Answering "why" questions about evolution always involves speculation. We never know what happened all those millennia or eons ago, and we often have little or no evidence. The "why" questions seem to be asked as part of suspicion that evolution has a direction or plan, which it does not. I love speculating. As Bud Vieira answers elsewhere, there are clear commonalities between retinal and brain tissue that imply the premise of the question is sound. Eyes seem to be derived from CNS tissue.I will argue that sight is qualitatively different from other senses since it allows us to respond in real time at a distance. This means it inherently operates on a faster/shorter time scale that any other sense. The time between the interesting change in the environment and the need for a response is much smaller than with any other sense.This shorter time scale means that it must be more closely coupled with the brain than hearing or even touch.It is likely that mechanisms providing sensitivity to light have evolved dozens of times in evolution, though only two or three of those instances appear to be represented today. I suggest that those which evolved at some distance from the brain, perhaps as part of the PNS, were not as useful and thus successful as the ones which developed near to the brain.It appears that vertebrates benefited from an eye that is close to and tightly coupled with the brain, and it seems that it evolved from brain tissue rather than somatic tissue.How's that for speculation?Why is the retina derived from CNS, while the other sensory organs are derived from PNS?.