2006
Chaotic EEG patterns during recall of stressfull memory related to panic attack
BOB, Petr a Marek ŠUSTAZákladní údaje
Originální název
Chaotic EEG patterns during recall of stressfull memory related to panic attack
Název česky
Chaotické vzory EEG při panické atace
Název anglicky
Chaotic EEG patterns during recall of stressfull memory related to panic attack
Autoři
BOB, Petr (203 Česká republika) a Marek ŠUSTA (203 Česká republika, garant)
Vydání
Physiological Research, 2006, 0862-8408
Další údaje
Jazyk
čeština
Typ výsledku
Článek v odborném periodiku
Obor
30000 3. Medical and Health Sciences
Stát vydavatele
Česká republika
Utajení
není předmětem státního či obchodního tajemství
Impakt faktor
Impact factor: 2.093
Organizační jednotka
Fakulta sociálních studií
UT WoS
000243996600013
Klíčová slova anglicky
Memory;Panic disorder; Phobia; Stress; EEG; Lyapunov exponent; Chaos
Štítky
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 18. 12. 2006 18:53, Marek Šusta, Ph.D., MBA
V originále
Chaotic transitions likely emerge in a wide variety of cognitive phenomena and may be linked to specific changes during the development of mental disorders. They represent relatively short periods in the behavior of a system, which are extremely sensitive to very small changes. This increased sensitivity has been suggested to occur also during retrieval of stressful emotional experiences because of their fragmentary, temporally and spatially disorganized character. To test this hypothesis we recorded EEG during retrieval of fearful memories related to panic attack in 7 patients and retrieval of anxiety-related memories in 11 healthy controls. Nonlinear data analysis of EEG records showed a statistically significant increase in degree of chaotic dynamics after retrieval of stressful memories in majority of patients as well as in control subjects. This change correlated with subjective intensity of anxiety induced during the memory retrieval. The data suggest a role of nonlinear changes of neural dynamics in the processing of stressful anxiety-related memories, which may play an important role in the pathophysiology of panic disorder.
Anglicky
Chaotic transitions likely emerge in a wide variety of cognitive phenomena and may be linked to specific changes during the development of mental disorders. They represent relatively short periods in the behavior of a system, which are extremely sensitive to very small changes. This increased sensitivity has been suggested to occur also during retrieval of stressful emotional experiences because of their fragmentary, temporally and spatially disorganized character. To test this hypothesis we recorded EEG during retrieval of fearful memories related to panic attack in 7 patients and retrieval of anxiety-related memories in 11 healthy controls. Nonlinear data analysis of EEG records showed a statistically significant increase in degree of chaotic dynamics after retrieval of stressful memories in majority of patients as well as in control subjects. This change correlated with subjective intensity of anxiety induced during the memory retrieval. The data suggest a role of nonlinear changes of neural dynamics in the processing of stressful anxiety-related memories, which may play an important role in the pathophysiology of panic disorder.
Návaznosti
| 1M06039, projekt VaV |
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