The Drop Attack

Lipsitz, Lewis A.

doi:10.1111/j.1532-5415.1983.tb04605.x

Cited by 19 publications

(2 citation statements)

References 15 publications

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“…Thus, falls represent a significant health risk in the elderly population and are a major cause of death in people older than 75 years (4). Early studies expected to find a single cause of falls for a given older adult (e.g., vertigo, sensory neuropathy, postural hypotension); however, current research indicates that falls have multiple factors (5,6), such as balance control abnormalities (7), deterioration in sensory function (8), and muscle weakness (9,10). …”

Section: Introductionmentioning

confidence: 98%

Does Inability to Allocate Attention Contribute to Balance Constraints During Gait in Older Adults?

Siu¹,

Chou²,

Mayr

et al. 2008

The Journals of Gerontology Series A: Biological Sciences and M

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Background Recent research has explored dual-task deficits during locomotion in older adults, yet the mechanisms underlying these deficits are poorly understood. In the current study, we examined one possible factor contributing to these deficits, the inability to flexibly allocate attention between two tasks. Methods Twelve healthy young adults and 12 healthy elderly adults performed obstacle avoidance while walking and an auditory Stroop task either alone or simultaneously. Results Using an attentional allocation index (AAI) to compare performance of healthy young and older adults and to measure the flexibility of allocation of attention, results showed a tendency in older adults toward a decreased ability to flexibly allocate their attention between the two tasks, with small AAI values. The decreased ability to allocate attention in older adults was found to be more prominent in the auditory Stroop task performance than in the obstacle avoidance task. Conclusion This study suggests that an important factor contributing to decreased dual-task performance in older adults when simultaneously performing a postural and secondary cognitive task is a reduced ability to flexibly allocate attention between the two tasks, with the general ability to switch attention flexibly being predictive of the ability to adhere to a prioritized focus.

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Section: Introductionmentioning

confidence: 98%

Does Inability to Allocate Attention Contribute to Balance Constraints During Gait in Older Adults?

Siu¹,

Chou²,

Mayr

et al. 2008

The Journals of Gerontology Series A: Biological Sciences and M

View full text Add to dashboard Cite

show abstract

“…Early reports focused on vertebrobasilar insufficiency as the likely cause, and several studies demonstrated the presence of atherosclerosis of the vertebral artery or extrinsic compression due to cervical spondylosis or osteophytes 3 . However, numerous other potential mechanisms have also been described, including structural lesions of the central nervous system, seizure disorders, carotid sinus hypersensitivity (CSH), cardiac disorders (e.g., valve disease, arrhythmias, heart failure), vestibular dysfunction, instability of the knees, medications, and psychogenic conditions 2–4 . In one study of 108 patients with drop attacks (mean age 70, 70% female), although the cause was listed as “unknown” in 64% of cases, it is worth noting that 66% of these patients had cardiovascular disease 4 …”

mentioning

confidence: 99%

Drop Attacks Revisited: Yet Another Manifestation of Cardiovascular Disease?

Rich

2004

J American Geriatrics Society

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Driving Impairment Caused by Episodic Brain Dysfunction

Spudis¹,

Penry²,

Gibson³

1986

Arch Neurol

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Dangerous driving by drivers with diseases or disabilities such as dementia, epilepsy, or higher brain dysfunction is viewed as a problem In Worldwide. Given that the majority of such cases of dangerous driving are caused by impairments to cognitive function resulting from these conditions, there is an urgent need to create systems to detect drivers with cognitive functional disability and develop criteria for safe resumption of driving. Because driving would understandably be extremely dangerous for people with higher brain dysfunction, particularly in cases of attention dysfunction, we first examined the correlation between the Clinical Assessment of Attention (CAT), a theoretical task offering an index of attention function, and the cathode ray tube (CRT) driving aptitude test. We then examined correlations between CRT total score and CRT sub-scores. Only the time required for the position Stroop test had a moderate correlation (r = -0.43, p < 0.01) with CRT total score. Correlations between CRT total score and sub-scores relating to reaction speed showed a strong correlation. Other than reaction speed, items with significant moderate to strong correlations were also seen in the maintenance of moderate mental tension, attention distribution and situation processing skill.The present results show a correlation between CAT score and CRT total score, indicating that CRT total score places relative weights on speed of information processing and suppression of stereotypes, representing a very meaningful result.

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The Drop Attack

Cited by 19 publications

References 15 publications

Does Inability to Allocate Attention Contribute to Balance Constraints During Gait in Older Adults?

Does Inability to Allocate Attention Contribute to Balance Constraints During Gait in Older Adults?

Drop Attacks Revisited: Yet Another Manifestation of Cardiovascular Disease?

Driving Impairment Caused by Episodic Brain Dysfunction

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