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Astereognosis. Astereognosis (or tactile agnosia if only one hand is affected) is the inability to identify an object by active touch of the hands without other sensory input, such as visual or sensory information. An individual with astereognosis is unable to identify objects by handling them, despite intact elementary tactile, proprioceptive ...
Alien hand syndrome (AHS) or Dr. Strangelove syndrome[1] is a category of conditions in which a person experiences their limbs acting seemingly on their own, without conscious control over the actions. [2] There are a variety of clinical conditions that fall under this category, which most commonly affects the left hand. [3]
Here is one hand. Here is one hand is an epistemological argument created by G. E. Moore in reaction against philosophical skepticism and in support of common sense. The argument takes the following form: Here is one hand, And here is another. There are at least two external objects in the world. Therefore, an external world exists.
T-sign: Made by holding one hand vertically and tapping the fingertips with the palm of the other hand held horizontally such that the two hands form the shape of the letter T. A variant uses the forearms in place of the hands. It is used in many sports to request a timeout; in cricket, it is used by players to request the review of the third ...
Ambidexterity. Ambidexterity is the ability to use both the right and left hand equally well. [1][2] When referring to objects, the term indicates that the object is equally suitable for right-handed and left-handed people. When referring to humans, it indicates that a person has no marked preference for the use of the right or left hand.
Gesture. A gesture is a form of non-verbal communication or non-vocal communication in which visible bodily actions communicate particular messages, either in place of, or in conjunction with, speech. Gestures include movement of the hands, face, or other parts of the body. Gestures differ from physical non-verbal communication that does not ...
Throwing sports, or throwing games, are physical, human competitions where the outcome is measured by a player's ability to throw an object. The two primary forms are throwing for distance and throwing at a given target or range. The four most prominent throwing for distance sports are in track and field: shot put, discus, javelin, and the ...
Ideational apraxia. Ideational apraxia (IA) is a neurological disorder which explains the loss of ability to conceptualize, plan, and execute the complex sequences of motor actions involved in the use of tools or otherwise interacting with objects in everyday life. [1] Ideational apraxia is a condition in which an individual is unable to plan ...