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Q. Global alteration of brain functioning - Sleep?
Sleep involves a global alteration of brain functioning, and occupies one third of our lives, The transition from waking to sleep is one of the most dramatic natural alterations in consciousness. Sleep is differentiated from waking state by reduction in neuronal responsiveness, inattention to sensory stimuli, and loss of consciousness. These two states differ fundamentally in most physiological parameters including the activity of a variety of key neurotransmitter systems.
Sleep Structure: Electroencephalogram (EEG) recordings reveal the two most basic states of sleep - REM (Rapid Eye Movement) sleep and NREM sleep. NREM comprises of four stages (Stages1 to 4). EEG pattern of wakeful state and different stages of sleep is explained further.
Active wakefulness: It is accompanied by low amplitude, high frequency beta waves. In relaxed wakefulness with eyes closed, the brain emits alpha waves. Alpha waves are low amplitude brain waves of about 8 to 13 cycles per second.
It is found in around 20 per cent cases of ARF and it is a late manifestation occurring even 3 months after GAS pharyngeal infection. Chorea is triggered by emotional disturbances
Clothes : The concept of clothes might have started even before weaving, as an extension of the practice of carrying food hd implements about. Attachments with a convenient
What is the Echocardiogram ? When doubts persist whether a patient has CHD or not despite a thorough clinical exam and chest X-ray, ECG, and hyperoxia test, an echocardiogram s
What are living and nonliving reservoirs? Viruses are both living as well as non-living. They have reservoirs of genes. A one nucleotide is a unit of gene. Viral genes make use
Q. What are the dietary goals for diabetes? Well here they are. These are to: 1. Supply optimum nutrition to maintain good health, 2. Provide calories for maintaining ide
Explain the Procedure for Preparation of Bacterial Smear? Start the exercise by following the steps enumerated herewith. (1) Take properly washed and dried glass slides for
Precautions for Preparation of Selective and Differential Medium 1. Dissolve ingredients one by one. 2. Check and set the medium to appropriate pH. 3. Autoclave the mediu
Shortness of Breath It is a subjective sensation of being unable too draw in enough air to breathe. Most often, this is associated with congestive cardiac failure and may
Characteristic Features of Phylum Arthropoda Well-developed muscular system along with striated muscles attached to the exoskeleton, and visceral organs having smoot
Give an example of each of the following types of proteins: a. Enzyme b. Structural protein c. Motor protein
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