Ch. 12: Right Hemisphere Syndrome (RHS) Flashcards
Define Right Hemisphere Syndrome (RHS)
o symptoms associated with right hemisphere damage (RHD), or right brain injury (RBI). It may be associated with any neurological etiology, such as stroke, traumatic brain injury (TBI), tumors, or infectious processes, and the resultant damage may be located in any part of the right hemisphere.
Identify how RHS affects communication
o primarily in the area of cognitive-communicative or cognitive-linguistic impairments
Expressive and receptive challenges of RHS
Lack of perspective regarding another person’s feelings or point of view (theory of mind)
Codeswitching deficits
Inattentiveness
Poor turn taking, frequent interruptions during conversation
Poor eye contact
Problems making use of contextual cues
Receptive challenges of RHS
Problems interpreting themes, morals, main ideas
Problems with making inferences
Tendency toward literal interpretation of figurative language (difficulty with idioms, indirect requests, sarcasm)
Difficulty shifting topics
Difficulty interpreting facial expressions
Difficulty interpreting humor
Receptive aprosodia
Expressive challenges in RHS
Poor topic maintenance, relevance, discourse cohesion, organization of content, use of macrostructure, main ideas, and themes
Inefficient expression, inappropriate level of detail
Frequent tangential comments
Flat affect or inappropriate emotional expression
Dysprosody
Limited initiation of conversations
Reduced use of facial expressions to convey emotion and meaning
Disinhibition of inappropriate language and humor
Confabulation
Hypoaffectivity
Hyperaffectivity
Expressive aprosodia
Attention problems in RHS
Anosognosia
Hemispatial (left) neglect
Problems with vigilance, orientation, sustained attention, focused attention, selective attention, attention allocation, and alternating attention/attention switching
Memory challenges (see also specific aspects of memory listed in Box 11–1)
Verbal
Nonverbal
Executive function deficit Problems with RHS
Reasoning Judgment Decision making Goal setting, planning, strategizing Self-monitoring, awareness of strengths and weaknesses Problem solving Organizing Sequencing
Reading problems with RHS
Visuospatial difficulties in interpreting letters and words
Problems interpreting content, as noted for auditory comprehension
Writing problems with RHS
Visuospatial difficulties with writing or copying letters, words, ideographs, and symbols
Problems with expression, as noted for discourse
Visual-perceptual impairments with RHS
Visual memory problems Prosopagnosia Visuo-constructive deficits Visuospatial disorientation Topographical disorientation
Auditory-perceptual impairments with RHS
Amusia
Auditory agnosia
Sound localization deficits
Identify receptive language challenges
o Difficulty shifting topics
Identify expressive language challenges
o Poor topic maintenance
Identify cognitive challenges
o Problem solving
o Organizing
o Sequencing
What is right hemisphere syndrome (RHS)?
o A constellation of symptoms associates with right hemisphere damage, or right brain injury.
What is Hypoaffectivity:
o may be demonstrated as flat expression of emotion conveyed by reduces prosody and a lack of conversational or social initiative.
What is Hyperaffectivity:
o may be evidenced as a degree of exuberance and incessant talking
What is the Social cognition deficit hypothesis?
o the notion that right hemisphere networks are important for critical aspects of relating to others, such aa empathy, and understanding and responding to others’ perspectives.