What Pathway/Ventral stream The ventral visual stream is also known as the ____ pathway. What (or Parvocellular) The absence of color vision due to a lesion is called Achromatopsia This type of agnosia happens at an earlier point in the pathway than other types. Apperceptive Prosopagnosia and alexia are examples of _____-specific deficits. Domain When viewing ?faces made of fruit? this patient could only identify the faces. CK This type of agnosic has difficulty identifying lines as horizontal or vertical. Apperceptive This type of agnosic can copy figures, but does so in a laboured, slavish fashion. Integrative Name a Gestalt grouping principle Good continuation Closure Similarity Proximity The _____ effect discovered by Yin has been used as evidence for a specialized configurational processor. Face inversion Achromotopsia and Akinetopsia are examples of ____ -specific deficits. Attribute Trouble specifically with perceiving multiple letters simultaneously. Pure alexia Where Pathway/Dorsal Stream A patient who perceives motion as a series of snapshots has what impairment? Akinetopsia The inability to see more than one object at a time is known as Simultanagnosia A disorder of spatial exploration and spatial cognition. Balint?s Syndrome Balint?s syndrome results from ______ damage to the posterior parietal lobes Bilateral The inability to use visual information to guide movement (including eye movements) is called Optic ataxia (ataxia = loss of coordination of movement; disorder of motor control) A disorder of voluntary eye movements. Gaze apraxia (apraxia = loss of purposeful, skilled movement; disorder of motor planning) The Posner et al. theory of hemineglect focuses on the role of the _____ of attention from the ipsilateral side of space. Disengagement This denial of illness often accompanies neglect Anosagnosia The mislocalization of stimuli is known as this. Allesthesia This is a motor deficit seen in drawing tasks. Constructional apraxia (apraxia = loss of purposeful, skilled movement; disorder of motor planning) When a neglect patient is shown stimuli on the right and the left, but only notices the stimulus on the right. Visual extinction Neglect relative to the body midline is referred to as being in this type of reference frame. Egocentric or hemispatial This view of neglect competes with the representational view. Attentional view
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