The Physiological Background of the Electric Response Audiometry

Keidel, W. D.

doi:10.1007/978-3-642-66082-5_4

Cited by 27 publications

(19 citation statements)

References 364 publications

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“…was thought related to human event-related endogenous components. The present and former studies [ 1,3,7,12,13,31] indicate that a long-lasting, complex series of AEP components can be recorded from the scalps of experimental animals, and that these components might have certain correspondences in AEPs recorded from the human scalp. Our initial efforts in cat to define these correspondences in terms of signal parameters (intensity), surface distribution, and behavioral variables [6,36] suggest that certain components may indeed be comparable.…”

Section: Relation To Other Animal Experimental Studiesmentioning

confidence: 52%

“…If N90 and P170 are generated in the temporal areas [8,14,24], then one might expect the frontal and central distribution in humans to become a lateral distribution in cats. Of interest in this light is the slow potential shift (SPS), which is seen over the vertex in humans, while its most obvious cat analog is recorded over temporal cortex [13]. It is thus possible that component 7, a multiphasic wave peaking around 100 ms. corresponds to N90, P170.…”

Section: P260 (Principal Componenr 5)mentioning

confidence: 99%

“…attention, arousal and conditioning have been previously reported, and several reviews are available [10, 13,26,34]. These efforts studied mainly short latency AEP components recorded from particular structures, and thus cannot be easily related to the more recently defined human AEP recorded from scalp.…”

Section: Relation To Other Animal Experimental Studiesmentioning

confidence: 99%

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Middle and long latency auditory evoked potentials in cat. II. Component distributions and dependence on stimulus factors

Starr

Farley

1983

Hearing Research

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The middle (IO-50 ms) and long (50-600 ms) latency periods of the auditory evoked potential (AI,P) were investigated in muscle-paralyzed. artificially respired cats wtth respect to two issues: (I) thr distribution of components across the skull. and (2) the effects of changing stimulus inten\ity on component latencies and amplitudes. The distributional data were gathered during a behavioral study in which four behavioral tasks related to classical pupillary conditioning \here used to vary attentiirnal and arousal processes. The distributions across the skull surface (averaged across tasks) of I? peaks and troughs (PIO. Nl3. P17. N22. P3l. N4l. P55, N70. NIOO. Nl40. P260 and NSZO) and seven prtncipal components derived from the set of waveforms collected during this experiment are reported. Both peah amplitudes and principal component scores were distributed differentially across the skull wrface. In the second experiment. acoustic stimulus intensity was varied. and AEPs collected from a vertex and temporal electrode site. In general. increasing stimulus intensity had a stronger influence on the earher portion\ of the AEP. where increased amplitude and decreased latency w'as the rule. than on later ones. Ihe relationships between cat and human AEP components were discussed hased on both in this paper and in previous papers.

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Section: Relation To Other Animal Experimental Studiesmentioning

confidence: 52%

Section: P260 (Principal Componenr 5)mentioning

confidence: 99%

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Middle and long latency auditory evoked potentials in cat. II. Component distributions and dependence on stimulus factors

Starr

Farley

1983

Hearing Research

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“…First, as Keidel [17] pointed out, cat auditory cortical potentials evoked by long duration stimuli resemble human slow potential shifts, including termination by an off response. Some features of our N520s to noise stimuli behave in this manner.…”

Section: Endogenous Componentsmentioning

confidence: 99%

Middle and long latency auditory evoked potentials in cat. I. Component definition and dependence on behavioral factors

Parley

Starr

1983

Hearing Research

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Middle (IO-50 ms) and long (50-600 ms) latency auditory evoked potentials (AEPs) were investigated in artificially respired, muscle-paralyzed cats. Similarity to human potentials of comparable latencies was examined in two ways: (1) the similarity of waveform features such as peak amplitude, polarity and latency, and (2) the effects of task-related variables on these various waveform features. Four behavioral variations of a classical pupillary conditioning paradigm were used to vary attention and arousal. Twelve peaks and troughs were identified in the AEP: PIO, N13, P17. N22. P31, N41. P55, N70, NIOO. Nl40. P260 and N520. Principal components analysis (PCA) defined 7 AEP components, some of which spanned several peaks. Analysis both of peak latencies and amplitudes.and of principal component scores, revealed differential effects of the behavioral manipulations on these components: those with latencies longer than 50 ms were strongly influenced by behavioral variations, while earlier components were relatively immune to these effects. On the basis of these findings. several relationships between cat and human AEP components were suggested. Specifically, peaks PlO-P41 in the cat were thought related to human middle latency components, cat P55 to human P50. cat N 140 to human N300. and cat P260 to human P300. Cat N520 was comparable to several long latency components in humans, No obvious correspondences between cat AEP components and human N90 and PI70 were identified.

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“…These properties include interactions between ON and OFF responses to successive tones due to their refractory. periods (Pfefferbaum, Buchsbaum, & Gips, 1971) and the slow, auditory-evoked sustained potentials (Keidel, 1976), which overlap both the ON and OFF responses to long-duration tones. Taking these factors into account, it is possible to arrive at quite a contrary set of conclusions, namely that: (1) there are very strong interactions between closely succeeding ON and OFF responses; (2) these interactions are so strong that the OFF component is of negligible amplitude for tones as short as 25-75 msec; (3) hence, the AEP to a short-duration tone consists almost exclusively of an ON response to the beginning of the tone.…”

mentioning

confidence: 99%

Computer dissection of the auditory evoked potential: A comment on Schweitzer

Hillyard

1978

Perception & Psychophysics

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The Physiological Background of the Electric Response Audiometry

Cited by 27 publications

References 364 publications

Middle and long latency auditory evoked potentials in cat. II. Component distributions and dependence on stimulus factors

Middle and long latency auditory evoked potentials in cat. II. Component distributions and dependence on stimulus factors

Middle and long latency auditory evoked potentials in cat. I. Component definition and dependence on behavioral factors

Computer dissection of the auditory evoked potential: A comment on Schweitzer

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