Muscles of Facial Expression and Taste (CN VII)

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Muscles of Facial Expression and Taste (CN VII)

INTRODUCTION
Introduction to the Neurological Exam
MENTAL STATUS
Mental Status Introduction
Level of Alertness, Attention, and Cooperation
Orientation: A Caveat to Those Who Write "A&O×3"
Memory
Language
Calculations, Right–Left Confusion, Finger Agnosia, Agraphia
Apraxia
Neglect and Constructions
Sequencing Tasks and Frontal Release Signs
Logic and Abstraction
Delusions and Hallucinations
Mood
CRANIAL NERVES
Cranial Nerves Introduction
Olfaction (CN I)
Opthalmoscopic Exam (CN II)
Vision (CN II)
Pupillary Responses (CN II, III)
Extraocular Movements (CN III, IV, VI)
Facial Sensation and Muscles of Mastication (CN V)
Muscles of Facial Expression and Taste (CN VII)
Hearing and Vestibular Sense (CN VIII)
Palate Elevation and Gag Reflex (CN IX, X)
Muscles of Articulation (CN V, VII, IX, X, XII)
Sternocleidomastoid and Trapezius Muscles (CN XI)
Tongue Muscles (CN XII)
MOTOR EXAM
Motor Exam Introduction
Observation
Inspection
Palpation
Muscle Tone Testing
Functional Testing
Strength of Individual Muscle Groups
REFLEXES
Reflexes Introduction
Deep Tendon Reflexes
Plantar Response
Finger Flexors
Reflexes Tested in Special Situations
COORDINATION AND GAIT
Coordination and Gait Introduction
Appendicular Coordination
Romberg Test
Gait
SENSORY EXAM
Sensory Exam Introduction
Primary Sensation, Asymmetry, Sensory Level
Cortical Sensation, Including Extinction

Previous Page: Facial Sensation and Muscles of Mastication (CN V) Next Page: Hearing and Vestibular Sense (CN VIII)

Look for asymmetry in facial shape or in depth of furrows such as the nasolabial fold. Also look for asymmetries in spontaneous facial expressions and blinking. Facial weakness may be difficult to detect in cases where it occurs bilaterally, also known as facial diplegia, because the facial weakness is symmetrical. Ask patient to smile, puff out their cheeks, clench their eyes tight, wrinkle their brow, and so on. In some cases, unilateral facial weakness is elicited selectively by either voluntary smile or by spontaneous laughter, so both should be tested. Old photographs of the patient can often aid your recognition of subtle changes.

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