A woman brought her 75 y/o husband to the family doctor, wor…

A woman brought her 75 y/o husband to the family doctor, worried that he was developing dementia. She said that he didn’t seem to understand her, and gave strange answers to her questions. She said that he sometimes used made-up words. The doctor decided to perfom a language exam. He noted that the patient’s spontaneous language had fluency, prosody and grammer, but no meaning. The patient could not name object that the doctor pointed to, or answer oral or written questions. He was unable to follow commands or repeat words. His hearing and vision seemed normal for his age. His motor and somatosensory systems were intact.Damage to which structure would most likely cause this patient’s deficits? 

A 55 year old man suddenly began having continuous wild, unc…

A 55 year old man suddenly began having continuous wild, uncontrollable flapping and circular movements of the left arm, and occasional jerky movements of the left leg. Further neurologic testing was unremarkable.  What is suggested by uncontrollable flapping of the left arm and jerky movements of the left leg?

A 22-year-old male is brought to the ER with knife wounds an…

A 22-year-old male is brought to the ER with knife wounds and the following symptoms: -> initial flaccid paralysis of his right arm and leg, -> deficits in proprioception and vibratory sensation on his right side below the level of C6, and -> decreased pain and temperature sensation on his left side below the level of C4. A lesion in which of the following locations best accounts for deficits in pain and temperature sensation below level of C4?

A 56 year old man presented with paralysis of muscles of fac…

A 56 year old man presented with paralysis of muscles of facial expression on the entire left side of the face. Further examination revealed that the man had ataxia with a tendency to fall toward the left and there was also loss of pain and temperature from the left side of the face and right side of the body. Additionally, it was noted that there was decreased sweating, miosis, and ptosis on the left side of the face. This and the next 4 questions apply to this case (6-10). What is the significance of facial muscle paralysis on the entire left side of the face?

This case applies to this and the following 2 questions. A…

This case applies to this and the following 2 questions. A 64-year-old man presents with complaint of double vision. -> On right horizontal gaze, his left eye adducts and the right eye abducts. -> On left horizontal gaze, the left eye abducts normally but the right eye fails to adduct. Given only these specific symptoms what damaged structure(s) could be involved?