Topics tagged with "Motor functioning"

Motor dysfunction

What are antecedents of bipolar disorder? Antecedents, including motor functioning, are usually subtle deviations in development that may become evident during childhood or adolescence. The presence of these deviations may foreshadow the later development of bipolar disorder, however most children who exhibit deviations do not develop the disorder. Studies exploring antecedents are ideally based on representative, population-based samples that follow the group from birth through childhood and adolescence to adulthood. What is the evidence on motor dysfunction as an antecedent of bipolar disorder? Moderate to low quality evidence suggests a large effect of poor motor development in the childhood (at…

Psychomotor ability

What is psychomotor ability in schizophrenia? Psychomotor ability refers to a wide range of actions involving physical movement related to conscious cognitive processing. Psychomotor ability may be measured by accuracy or speed (reaction time). Examples of psychomotor tests include the Grooved Pegboard test, and the Purdue Pegboard test that measure visual-motor coordination. The Finger Tapping test requires study participants to place their dominant hand face-down and tap as quickly as possible. The task is repeated with the non-dominant hand and assesses motor speed, manual dexterity and lateralisation. The Digit Symbol Substitution test involves paired numbers and symbols. Participants are shown…

Motor dysfunction

What are antecedents of schizophrenia? Antecedents such as motor dysfunction are subtle deviations in development that may become evident during childhood or adolescence. The presence of these deviations may foreshadow the later development of schizophrenia, however most children who exhibit these antecedents do not develop the disorder. Studies exploring antecedents are ideally based on representative, population-based samples that follow the group from birth through childhood and adolescence to adulthood. These studies can provide unique insights into the changes in developmental trajectories that may be associated with schizophrenia. What is the evidence for motor dysfunction as an antecedent of schizophrenia? High…

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