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Tinnitus: ringing
                                                                                                of the ear
                                                          Sense of balance                      The receptors are
                                                                                                mechanoreceptors
                                                                                                located in the
                                                                                                vestibule and the
                                                                                                semicircular
                                                                                                canals of the inner
                                                                                                ear.
                                                                                                The receptors are
                                                                                                activated when the
                                                                                                head change
                                                                                                positions.
                                                                                                Balance
                                                                                                information
                                                                                                travels along the
                                                                                                vestibular nerve to
                                                                                                many areas of the
                                                                                                brain





               Neurosis        Refers to a large category of psychiatric disorders in which the
                               symptoms are distressing to the person, reality testing is within
                               normal limits, behavior does not violate gross social norms , and
                               there is no apparent cause. Ex, anxiety disorder and obsessive
                               compulsive disorder.
               Psychosis       Refers to any major mental disorder characterized by a gross
                               impairment in reality testing and often characterized by
                               inappropriate mood and diminished impulse control. Symptoms
                               include hallucinations (false sensory perceptions)  and delusions (false
                               beliefs) Ex. Schizophrenia and pyromania








               Phobia          Is a persistent, irrational, intense fear of something specific, such as fear
                               of fire, an activity, meeting strangers, or leaving the familiar setting of
                               home.. Ex agoraphobia, irrational fear of open spaces, marked fear of
                               being alone or being in public places.
               Neurasthenia    Nervous condition characterized by chronic weaknesses, fatigue and
                               sometimes exhaustion.
               Autism          Is characterized by withdrawal and impaired development in social
                               interaction and communication.
               Attention       Characterized by short attention span, poor communication and
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