what is hemi-spatial neglect?
inability to attend to sensory information on the contralateral side to damage
damage to what areas leads to hemi-spatial neglect?
- right parietal association area
- right frontal cortex
how is attention impacted with a right hemispheric lesion?
severe left neglect
how is attention impacted with a left hemispheric lesion?
minimal right neglect
how is attention impacted with bilateral lesions?
severe right neglect
what is sensory neglect?
failure to attend to sensory input, can be visual, tactile, or auditory
what is motor-intentional neglect?
- failure to attend to muscle actions on the side contralateral to the damage
- fewer movements will be performed on that side
what is conceptual neglect?
failure to attend to sensory input in imagined representations of a physical space or object
what is anosognosia?
when a patient cannot consciously recognize their deficits
what is hemiasomatognosia?
when a patient cannot recognize their limb as belonging to their body
what is dressing apraxia?
inability to perform complex movements such as dressing oneself
note: NOT due to loss of ability, due to loss of attention to the action
damage to what areas can cause alien hand syndrome?
- corpus callosum
- SMA of the non-dominant hemisphere
what are the three major lobes of the cerebellum?
- anterior lobe
- posterior lobe
- flocculo-nodular lobe
what separates the anterior lobe from the posterior lobe?
of the cerebellum
primary fissure
what separates the posterior lobe from the flocculo-nodular lobe?
of the cerebellum
postero-lateral fissure
what are the four functional areas of the cerebellum?
- vermis
- intermediate
- lateral
- flocculo-nodular
which nucleus aligns with the lateral zone?
of the cerebellum
dentate nucleus
which nuclei align with the intermediate zone?
interposed
which nucleus align with the vermis/flocculo-nodular zone?
fastigial nucleus
what smaller nuclei make up the interposed nuclei?
globose and emboliform
what structures carry information in and out of the cerebellum?
superior, middle, and inferior cerebellar peduncles
what is the primary function of the superior cerebellar peduncle?
to carry outputs from the cerebellum
what are the primary functions of the middle and inferior cerebeller peduncles?
to carry inputs to the cerebellum
