Claustrophobia is typically thought to have two key symptoms: fear of restriction and fear of suffocation. A typical claustrophobic will fear restriction in at least one, if not several, of the follow ...
Agoraphobia is a condition where the sufferer becomes anxious in environments that are unfamiliar or where he or she perceives that they have little control. Triggers for this anxiety may include wide ...
Most phobias are classified into three categories and, according to the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV), such phobias are considered to be sub-types of a ...
Self-preservation is behavior that ensures the survival of an organism. It is almost universal among living organisms. Pain and fear are parts of this mechanism. Pain motivates the individual to withd ...
The notion of personal space was introduced in 1966 by anthropologist Edward T. Hall, who created the concept of proxemics. In his book, The Hidden Dimension, he describes the subjective dimensions th ...
Further information: Hunting hypothesis and Endurance running hypothesisHunting has a long history and may well pre-date the rise of the species Homo sapiens. While our earliest Hominid ancestors were ...
Process and terminology The process of perception begins with an object in the real world, termed the distal stimulus or distal object. By means of light, sound or another physical process, the object ...
Child development expert Jean Piaget conducted experiments that collected behavioral tests on infants. Piaget studied object permanence by observing infants' reactions when a favorite object or toy wa ...
Amodal perception is the perception of the whole of a physical structure when only parts of it affect the sensory receptors. For example, a table will be perceived as a complete volumetric structure e ...
Space of physical objects In object space the location and shape of physical targets can be accurately described with the tools of geometry. For practical purposes it is Euclidean. It is three-dimensi ...
The word psychology literally means, "study of the soul" (ψυχή psukhē, "breath, spirit, soul" and -λογία -logia, "study of" or "research"). The Latin word psychologia was first used by the C ...
In calculus, a function is a map whose action is specified on variables. Take x and y to be two variables. A function f may map x to some expression in x. Assigning y = f(x) gives a relation between y ...
Right to common passage In Nordic countries like Norway, Sweden and Finland, all nature areas are considered public space, due to a law, the allemansrätten (the right to common passage).Restrictions ...
Abstract space, in geography, is a hypothetical space characterized by equal and consistent properties; a geographic space that is completely homogeneous. All movement and activity would be equally ea ...
Prior to the 18th century, "property" was generally used in reference to land ownership. In England, "property" did not have a legal definition until the 17th century.In the 19th century, the economis ...
