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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.
Define Conservation genetics and hybridization? Is the genetic integrity of European wolves threatened by hybridization along with free-ranging dogs? To ascertain the extent of
THEO R Y OF PANGENESIS - Proposed by Charles Darwin. According this miniature present in the every body cell i.e. called gemmule
Several TCA cycle intermediates can be used as a substrate for the synthesis of other compounds. Succinyl CoA is on intermediate that is directly used for the synthesis of which of
Types of Mechanism - Stress Condition Plants have evolved a variety of mechanisms to withstand stress conditions. In many cases we can precisely define the way plants enable t
How many chambers do the bird heart and the mammalian heart have? Concerning temperature maintenance what is the advantage of the double and complete circulation of these animals?
What is succession?
Person Z swallowed a large amount of substance X and, as a result, has convulsions (abnormal violent contractions of skeletal muscles). Swallowing which of the following substance
What is Demographic Transition? The whole process of change with regard to population size and characteristics is called demographic transition. In order to understand this ter
#questwhy and where endomitosis happens?ion..
Why Dairy or milk product are important for human body? This first food of mammals is rich in body-building proteins and bone-forming calcium, besides being the only source of
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