Disturbances of visual motion perception in bipolar disorder

Alterações neuropsicológicas no transtorno bipolar Neuropsychological disturbances in bipolar disorder

Objetivo: Revisão sistemática dos estudos controlados publicados nos últimos 15 anos sobre alterações neuropsicológicas no transtorno bipolar. Método: Foi realizado um levantamento bibliográfico no Medline, Lilacs, PubMed e ISI, selecionando-se o período de 1990 a 2005. Os estudos foram organizados a partir da comparação entre a amostra selecionada (bipolar versus outra patologia versus control...

Enhanced visual motion perception in major depressive disorder.

Major depressive disorder (MDD) is a mood disorder that is not traditionally considered to affect the visual system. However, recent findings have reported decreased cortical levels of the inhibitory neurotransmitter GABA in occipital cortex. To explore possible functional consequences of MDD on visual processing, we applied a psychophysical visual motion processing task in which healthy young ...

Circadian Rhythm and Bipolar Disorder Impact of Circadian Rhythm Disturbances in Bipolar Disorder

Perception of Visual Motion

Conversion Disorder and Visual Disturbances in Children

Conversion disorder is a neurological disturbance in which systemic symptoms are unconscious, thus not under the control of the child. Conversion disorder is a manifestation of a stressful or traumatic event. Physical symptoms may occur with motor and sensorial disturbances, including visual reactions which may lead the practitioner to suspect an organic cause. Visual symptoms include visual ac...