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SECONDs Administration Guidelines: A Fast Tool to Assess Consciousness in Brain-injured Patients

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Disorders of consciousness.

Adrian M Owen¹

¹MRC Cognition and Brain Sciences Unit, Cambridge, CB2 7EF, UK. adrian.owen@mrc-cbu.cam.ac.uk

Annals of the New York Academy of Sciences

|April 11, 2008

Summary

Diagnosing disorders of consciousness, like the vegetative state, is challenging. New neuroimaging and cognitive neuroscience methods reveal hidden awareness in some patients previously thought to lack it.

Area of Science:

Neuroscience
Cognitive Science
Neurology

Background:

Disorders of consciousness (DoC), including vegetative state (VS) and minimally conscious state (MCS), pose significant clinical and ethical challenges.
Assessing residual cognitive function in these patients is difficult due to minimal or inconsistent motor output.
Standard clinical methods often fail to detect subtle cognitive abilities.

Purpose of the Study:

To review recent advances in understanding disorders of consciousness.
To focus on the application of neuroimaging and cognitive neuroscience techniques in VS and MCS.
To highlight the detection of residual cognitive function in patients presumed to be vegetative.

Main Methods:

Review of behavioral and neuroimaging techniques from cognitive neurosciences.

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Focus on studies investigating patients with disorders of consciousness.

Analysis of data demonstrating residual cognitive function and awareness.

Main Results:

Neuroimaging and behavioral techniques have advanced the understanding of DoC.
Residual cognitive function and awareness have been identified in some patients previously diagnosed as vegetative.
These abilities were often undetected by standard clinical assessments.

Conclusions:

Modern neuroscientific approaches offer new avenues for diagnosing disorders of consciousness.
It is possible for patients in a vegetative state to retain hidden cognitive abilities.
Further research using these advanced methods is crucial for accurate patient assessment and care.