Quiz 7: Hemispheres of the Brain Flashcards
What is the function of the primary motor area of the frontal lobe?
BA4
Voluntary movement, contralateral side
(lesion: contralateral paresis)
List 3 executive functions. What part of the brain houses these functions?
Planning, goal-setting, Reasoning, self-monitoring (metacognition), organization, task initiation, time management,
Frontal Lobe –> Prefrontal Area BA 10
What is one function of the supplementary motor area?
BA6
Motor planning, planning complex motor acts, speech initiation
(Lesion: apraxia)
The numbered areas in the brain are known as ______________________
Broadmann’s areas
The _______ sulcus divides the Frontal from the Parietal lobes
Central
What motor speech disorder can arise from damage to Broadmann’s Area 6?
Apraxia of speech
What language disorder arises from damage to Broadmann’s area 44 and 45?
Broca’s aphasia
List two characteristics of Right Hemisphere Damage
Attention deficits
Judgment & planning errors
Lack of insight into disorder
Denial of illness
Pragmatic communication errors
-Mental state inferencing
-Turn-taking, non-contingent remarks
-Nuances: humor, sarcasm, non-literal interpretation
What is one main strength (function) of the left hemisphere.
Detail oriented, analytic
Language (90%)
Symbol recognition
Calculation
Logic
Handedness
List two deficits that might arise specifically from left hemisphere damage
Aphasia
AOS
Dyscalcula
Alexia
Depression, dysphoria
What does it mean to say that the primary motor system is a contralateral system?
It means that the motor strip in the right hemisphere controls left-side body movements, and the motor strip in the left side of the brain controls right-side body movements.
What cut divides the brain into two symmetrical halves?
Midsagittal cut
