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Phobic postural vertigo: body sway during vibratory proprioceptive stimulation. 2003

Johan Holmberg, and Mikael Karlberg, and Per-Anders Fransson, and Måns Magnusson
Department of Otorhinolaryngology, Head and Neck Surgery, Lund University Hospital, Sweden.

Phobic postural vertigo patients might rely more on proprioceptive than visual cues to regulate stance. We tested 14 phobic postural vertigo patients and 24 healthy subjects with posturography during quiet stance and periods of vibratory proprioceptive calf muscle stimulation, both with eyes open and closed. During quiet stance phobic postural vertigo patients showed higher torque variance than healthy subjects, especially above 0.1 Hz. Vibratory proprioceptive stimulation increased the differences between healthy subjects and phobic postural vertigo patients. The patients were less able to use vision to counteract vibration-induced movements. Phobic postural vertigo patients are more sensitive to proprioceptive disturbances than healthy subjects are, and less apt to use visual information to control upright stance. This might be part of an anxious mode of balance control.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010698 Phobic Disorders Anxiety disorders in which the essential feature is persistent and irrational fear of a specific object, activity, or situation that the individual feels compelled to avoid. The individual recognizes the fear as excessive or unreasonable. Claustrophobia,Neuroses, Phobic,Phobia, School,Phobias,Phobic Neuroses,Scolionophobia,Disorder, Phobic,Phobia,Phobic Disorder,School Phobia
D010812 Physical Stimulation Act of eliciting a response from a person or organism through physical contact. Stimulation, Physical,Physical Stimulations,Stimulations, Physical
D011187 Posture The position or physical attitude of the body. Postures
D011434 Proprioception Sensory functions that transduce stimuli received by proprioceptive receptors in joints, tendons, muscles, and the INNER EAR into neural impulses to be transmitted to the CENTRAL NERVOUS SYSTEM. Proprioception provides sense of stationary positions and movements of one's body parts, and is important in maintaining KINESTHESIA and POSTURAL BALANCE. Labyrinthine Sense,Position Sense,Posture Sense,Sense of Equilibrium,Vestibular Sense,Sense of Position,Equilibrium Sense,Sense, Labyrinthine,Sense, Position,Sense, Posture,Sense, Vestibular
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D014717 Vertigo An illusion of movement, either of the external world revolving around the individual or of the individual revolving in space. Vertigo may be associated with disorders of the inner ear (EAR, INNER); VESTIBULAR NERVE; BRAINSTEM; or CEREBRAL CORTEX. Lesions in the TEMPORAL LOBE and PARIETAL LOBE may be associated with FOCAL SEIZURES that may feature vertigo as an ictal manifestation. (From Adams et al., Principles of Neurology, 6th ed, pp300-1) CNS Origin Vertigo,Central Nervous System Origin Vertigo,Positional Vertigo,Spinning Sensation,Vertigo, Brain Stem,Vertigo, Brainstem,Vertigo, Central Nervous System Origin,Vertigo, Central Origin,Vertigo, Constant,Vertigo, Essential,Vertigo, Intermittant,Vertigo, Paroxysmal,Vertigo, Peripheral,Vertigo, Subjective,Brain Stem Vertigo,Brain Stem Vertigos,Brainstem Vertigo,Brainstem Vertigos,CNS Origin Vertigos,Central Origin Vertigo,Central Origin Vertigos,Constant Vertigo,Constant Vertigos,Essential Vertigo,Essential Vertigos,Intermittant Vertigo,Intermittant Vertigos,Origin Vertigo, CNS,Origin Vertigo, Central,Origin Vertigos, CNS,Origin Vertigos, Central,Paroxysmal Vertigo,Paroxysmal Vertigos,Peripheral Vertigo,Peripheral Vertigos,Sensation, Spinning,Sensations, Spinning,Spinning Sensations,Subjective Vertigo,Subjective Vertigos,Vertigo, CNS Origin,Vertigo, Positional,Vertigos,Vertigos, Brain Stem,Vertigos, Brainstem,Vertigos, CNS Origin,Vertigos, Central Origin,Vertigos, Constant,Vertigos, Essential,Vertigos, Intermittant,Vertigos, Paroxysmal,Vertigos, Peripheral,Vertigos, Subjective

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