Expectation of an important event affects responses to irrelevant stimuli of different modalities

• Autorzy: Michalski A
• Języki publikacji: EN

Abstrakty

EN

Periodic alterations of event-related potentials (ERPs) were studied during "oddball" tasks. Sequences of randomly intermixed frequent (non-target) and rare (target) stimuli were presented. In visual experiments, these were flashes of light of two different colors. In auditory tests there were two tones of different frequencies. The instruction was to keep a mental count of each target stimulus. To study the alterations of the "state of the brain" produced by target detection, responses to non-targets immediately following targets were compared with responses to an eighth subsequent non-target stimulus. To evaluate the effect of such "brain states" on responses to stimuli of a different modality, additional visual stimuli (probes) were delivered after both auditory and visual "oddball" stimuli. It was found that responses to the eighth presentation of non-target stimulus were preceded by significant negative shift of recorded potential. This shift was smaller before the responses to non-targets immediately following the presentation of target stimuli. The difference was significant both in auditory and visual tests. Responses to "oddball" stimuli were little affected: only the reduction of P200 peaks in "after target" responses was significant in visual tests. Responses to probes showed stronger effects: when visual probes followed visual "oddball" stimuli, all three components measured (N100, P130 and P200) were shifted positively in responses to eighth presentations of non-targets. When visual probes were presented in auditory tests, only the amplitude of the N100 component was significantly affected.

Słowa kluczowe

EN

sequential effect; probe; auditory test; target detection; target stimulus; brain physiology

• Wydawca: -
• Czasopismo: Acta Neurobiologiae Experimentalis
• Rocznik: 2000
• Tom: 60
• Numer: 4
• Opis fizyczny: p.467-478,fig.

Twórcy

autor

Michalski A

• Nencki Institute of Experimental Biology, 3 Pasteur St., 02-093 Warsaw, Poland

Bibliografia

• Colon E., Visser S., de Weerd J., Zonneveldt A. (1983) Evoked potential manual. A practical guide to clinical ap­plications. Martinus Nijhoff Publishers, Boston.
• Desmedt J.E., Debecker J., Manil J. (1965) Mise en évidence d,un signe électrique cérébral associé a la détection parle sujet d,un stimulus sensoriel tactile. Bulletin de l,Academie Royale de Médecine de Belgique 5: 887-936.
• Desmedt J.E. (1980) P300 in serial tasks: an essential post-decision closure mechanism. Prog. Brain Res. 54: 682-686
• Donchin E., Coles M.G.H. (1988) Is the P300 component a manifestation of context updating? Behav. Brain Sci. 11: 357-374.
• Hardyck C.D., Petrinovich L.F. (1970) Subvocal speech and comprehension level as a function of difficulty level of reading material. J. Verb. Learn. Verb. Behav. 9:647-652.
• Hermanutz M., Cohen R., Sommer W. (1981) The effects of serial order in long sequences of auditory stimuli on event-related potentials. Psychophysiology 18: 415-423.
• Hillyard S.A., Hink R.F., Schwent V.L., Picton T.W. (1973) Electrical signs of selective attention in the human brain. Science 182: 177-180
• Hirata K., Lehmann D. (1990) N1 and P2 of frequent and rare event-related potentials show effects and after-effects of the attended target in the oddball-paradigm. Int. J. Psycho- physiol. 9: 293-301.
• Kondakor I., Pascual-Marqui R.D., Michel C.M., Lehmann D. (1995) Event-related potential map differences depend on the prestimulus microstates. J. Med. Eng. Technol. 19:66-69.
• Lehmann D., Michel C.M., Pal I., Pascual-Marqui R.D. (1994) Event-related potential maps depend on prestimulus brain electric microstate map. Int. J. Neurosci. 74: 239-248.
• McCarthy G., Donchin E. (1976) The effects of temporal and event uncertainty in determining the waveforms of the au­ditory event related potential (ERP). Psychophysiology 13: 581-590.
• Michalski A. (1998) Novel environment as a stress-inducing factor. An event-related potentials study. Acta Neurobiol. Exp. 58: 199-205.
• Michalski A. (1999) The effect of accomplishment and failure on P300 potentials evoked by neutral stimuli. Neuro- psychologia 37: 413-420.
• Rockstroh B., Müller M., Cohen R., Elbert T. (1992) Probing the functional brain state during P300-evocation. J. Psy- chophysiol. 6: 175-184.
• Rockstroh B., Müller M., Wagner M., Cohen R., Elbert T. (1993) "Probing" the nature of the CNV. Electro- encephalogr. Clin. Neurophysiol. 87: 235-241.
• RuchkinD.S., Sutton S., Mahaffey D., Glaser J. (1986) Termi­nal CNV in the absence of motor response. Electro- encephalogr. Clin. Neurophysiol. 63: 445-463.
• Sams M., Alho K., Nätanen R. (1984) Short-term habituation and dis-habituation of the mismatch negativity of the ERP. Psychophysiology 21: 434-441.
• Simson R., Vaughan H.G., Ritter W. (1976) The scalp topog­raphy of potentials associated with missing visual or audi­tory stimuli. Electroencephalogr. Clin. Neurophysiol. 40: 33-42
• Squires K.C., Wickens C., Squires N.K., Donchin E. (1976) The effect of stimulus sequence on the waveform of the cortical event-related potential. Science 193: 1142-1146.
• Starr A., Sandroni P., Michalewski H.J. (1995) Readiness to respond in a target detection task: pre- and post-stimulus event-related potentials in normal subjects. Electro­encephalogr. Clin. Neurophysiol. 96: 76-92.
• Starr A., Aguinaldo T., Roe M., Michalewski H.J. (1997) Se­quential changes of auditory processing during target de­tection: motor responding versus mental counting. Electro- encephalogr. Clin. Neurophysiol. 105: 201-212.
• Sutton S., Braren M., Zubin J., John E.R. (1965) Evoked-po- tential correlates of stimulus uncertainty. Science 150: 1187-1188.
• Verleger R. (1987) Sequential effects on P3 in a counting task: a partial replication. Biol. Psychiatr. 26: 221-246.
• Verleger R. (1988) Event-related potentials and cognition: A critique of the context updating hypothesis and an alterna­tive interpretation of P3. Behav. Brain Res. 11: 343-356.
• Walter W.G., Cooper R., Aldridge V.J., McCallum W.C., Winter A.L. (1964) Contingent negative variation: anelec- tric sign of sensorimotor association and expectancy in the human brain. Nature 203: 380-384.