So far the brain was smooth in its form, but at this stage its tissues begin to develop creased, wave-like formations. The brain waves also get stronger at this stage enhancing auditory and visual sensors. ? Week 27: As the brain is actively processing many senses, it is quite possible that your unborn will begin to dream. Brain tissues are also developing fast. ? Week 28: The brain is completely monitoring the breathing and regulating body temperature. It continues to develop creases and fissures. This being the beginning of the third trimester, a blood glucose screening is done to determine gestational diabetes. ? Week 29-40: The third trimester stage sees that the brain continues to grow and increase rapidly in size, all the while establishing connections between nerve cells. The brain along with the lung is the last organ to develop, and the process is completed, close to the end of the third trimester. A newborn's brain is only about one-quarter the size of an adult's. Brain Development Issues ? The environmental, physical and emotional being of the mother, all have a profound effect on fetal brain development. The result of this is mental and cognitive disabilities. Throughout pregnancy, the fetus's brain is vulnerable to disruptions that may cause death, or mental disabilities and other physical developmental delays. ? Alcohol, smoking and drug abuse have been linked to disabilities, impairments and ADHD. Fetal alcohol syndrome is a disorder that occurs when a pregnant woman ingests alcohol during pregnancy. Alcohol can stunt fetal growth, weight and overall development. Studies have shown that women who smoke have
IQ2 Nootropic smaller babies that have mental as well as physical retardation. Drugs like marijuana contain the active ingredient tetrahydrocannabinol (THC), that suppresses normal growth of the nerve cells. Alcohol, drug intake and smoking have been strongly condemned by the US Surgeon General, the UK Department of Health and almost all medical departments of the world. ? Genetics and hereditary, too, play a part in causing damage to a fetus' brain. As the fetus grows, it can inherit a brain dysfunction or an impaired cell leading to mental disorders. Toxins in the environment like cadmium, lead, etc., can get absorbed in the soil, then into our water and food, or even in the air, exposing the fetus to neurological damage. Even exposure to radiation can cause fetal brain damage. ? Any kind of abuse - mental, physical and sexual - can cause harm to the fetus. Fear and mental trauma can fluctuate blood pressure. The fetus receives all its nourishment from the placenta, which gets disrupted as a result of high or low blood pressure.
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Topic: The optic nerve is highly heightened in perceiving light from any direction. (Read 669 times)
