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Area of a Circle In geometry, the area enclosed by a circle of radius r is π r2. Here the Greek letter π represents a constant,…

Premotor Cortex Definition Premotor cortex is an area of the brain located directly behind the prefrontal cortex that plays an important role in motor planning.…

Serpentinite Definition Serpentinite is a metamorphic rock consisting almost entirely of minerals in the serpentine group. Serpentinite forms from the alteration of ferromagnesian silicate materials,…

Implicit Favorite Model or Retrospective Approach to Decision Making In this model, the decision maker is both irrational and biased in this decision maker makes…

Behavioral Approach to Decision Making Behavioral approach is also known as descriptive approach and administrative model. This theory is proposed by Herbert A Simon, a…

Hypotonia Definition Hypotonia is a common finding with cerebral palsy and other neuromuscular disorders. It is commonly known as floppy baby syndrome, which is a…

Area of a Square A square is a regular polygon with four sides. It has four right angles and parallel sides. To calculate the area…

Motor Cortex Definition Motor cortex is the region of the cerebral cortex influencing movements of the face, neck and trunk, and arm and leg. It…

Locus is a curve or other figure formed by all the points satisfying a particular equation of the relation between coordinates, or by a point,…

Papilledema Definition Papilledema is the swelling of the optic disc caused by increased intracranial pressure. The optic nerve head, also called the optic disk or…

Achávalite is a selenide mineral that is a member of the nickeline group. It has only been found in a single Argentinian mine system, being…

Sphalerite Definition Sphalerite is a usually yellow-brown or brownish-black cubic mineral occurring either as single dodecahedral crystals or as granular masses. It is also called…