Cortical processing in persistent vegetative state
1998; Elsevier BV; Volume: 352; Issue: 9123 Linguagem: Inglês
10.1016/s0140-6736(05)77805-3
ISSN1474-547X
AutoresDK Menon, AM Owen, EJ Williams, Paras S. Minhas, Cara Allen, Simon Boniface, JD Pickard,
Tópico(s)Neural and Behavioral Psychology Studies
ResumoReductions in cerebral blood flow and glucose metabolism have been reported in patients in persistent vegetative state. 1 Zeman A Persistent vegetative state. Lancet. 1997; 350: 795-799 Summary Full Text Full Text PDF PubMed Scopus (85) Google Scholar A few studies have suggested residual cortical activity. 2 Momose T Matsui T Kosaka N et al. Effect of cervical spinal cord stimulation (cSCS) on cerebal glucose metabolism and blood flow in a vegetative patient assessed by positron emission tomography (PET) and single photon emission tomography (SPECT). Radiat Med. 1989; 7: 243-246 PubMed Google Scholar , 3 DeJong BM Willemsen ATM Paans AMJ Regional cerebral blood flow changes related to affective speech presentation in persistent vegetative state. Clin Neurol Neurosurg. 1997; 99: 231-316 Google Scholar Objective assessment of residual cognitive function is difficult because motor responses may be small or inconsistent. We used positron emission tomography to study covert cognitive processing in a patient in a persistent vegetative state.
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