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	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

As Birkenhäger and colleagues¹ suggested in their article, the decrement of blood pressure (BP) occurring in patients with hypertension in the phases shortly before dementia may be related to a central dysregulation of prefrontal autonomic centers. To contribute to this topic, we have studied the relationship between cognitive function and BP variability, which is known to reflect an altered baroreflex sensitivity.² We evaluated 34 elderly patients consecutively admitted to our hospital with no dementia (normal or mild cognitive impairment according to the Petersen criteria).³ All patients underwent a neuropsychological assessment to evaluate cognitive functions (Table 1) and a noninvasive, 24-hour BP monitoring (using the Intermed Takeda TM-2430; A & D Instruments Ltd, Abingdon, Oxford, England) to determine the circadian BP profile.

Table appears in full text version. Clinical Characteristics of 34 Patients With Absent or Mild Cognitive Impairment Stratified by Mini-Mental State Examination (MMSE) Scores Adjusted for Age and Sex*

The daytime BP measurements . . . [Full Text of this Article]

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