Transient topographical amnesia (TTA)
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Transient topographical amnesia (TTA). This is transient amnesia of spatial orientation in healthy people. Fully referenced neurology checklist.
Description
- This is transient amnesia of spatial orientation in healthy people
- Subjects are unable to find their way in familiar or unfamiliar surroundings
- This is due to an inability to use environmental landmarks to find their route
- There is usually no associated brain damage
- It usually occurs in healthy middle-aged women
Causes
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Clinical features
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Exclusion criteria
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Investigations
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Differential diagnoses
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References
- Naranjo-Fernández C, Arjona A, Quiroga-Subirana P, et al. Transient topographical amnesia: a description of a series of eight cases. Rev Neurol 2010; 50:217-220.
- Stracciari A, Lorusso S, Pazzaglia P. Transient topographical amnesia. JNNP 1994; 57:1423–1425.
- Cammalleri R, Gangitano M, D'Amelio M, Raieli V, Raimondo D, Camarda R. Transient topographical amnesia and cingulate cortex damage: a case report. Neuropsychologia 1996; 34:321-326.
- Yohannan DG, Watson RS, John NJ. 'Lost my way' - transient topographic amnesia: a bizarre manifestation of migraine. Ann Indian Acad Neurol 2018; 21:341-343.
- Mazzoni M, Del Torto E, Vista M, Moretti P. Transient topographical amnesia: a case report. Ital J Neurol Sci 1993; 14:633-636.