Search Results - "Hämäläinen, H A"

Simulation of motion on the skin. V. Effect of stimulus temporal frequency on the representation of moving bar patterns in primary somatosensory cortex of monkeys by Gardner, E P, Palmer, C I, Hämäläinen, H A, Warren, S

“…1. To assess the mechanisms used by cortical neurons to sense motion across the skin, we applied pulsatile stimuli to a series of adjacent positions on the…”
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Objective classification of motion- and direction-sensitive neurons in primary somatosensory cortex of awake monkeys by Warren, S, Hamalainen, H A, Gardner, E P

“…In order to classify movement-sensitive neurons in SI cortex, and to estimate their relative distribution, we have developed a new simple method for controlled…”
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Somatosensory evoked potentials (SEPs) and cortical single unit responses elicited by mechanical tactile stimuli in awake monkeys by Gardner, E P, Hämäläinen, H A, Warren, S, Davis, J, Young, W

“…The origins of surface recorded evoked potentials have been investigated by combining recordings of single unit responses and somatosensory evoked potentials…”
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Coding of the spatial period of gratings rolled across the receptive fields of somatosensory cortical neurons in awake monkeys by Warren, S, Hamalainen, H A, Gardner, E P

“…In order to measure the texture coding capabilities of motion-, direction-, and orientation-sensitive neurons in SI cortex, we rolled wheels with surface…”
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Differential sensitivity to airpuffs on human hairy and glabrous skin by Hamalainen, H A, Warren, S, Gardner, E P

“…To compare the relative sensitivities of glabrous and hairy skin, we measured reaction times (RTs) and detectability (d') of airpuffs delivered to the hairy…”
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Effects of electromagnetic fields emitted by cellular phones on the electroencephalogram during a visual working memory task by KRAUSE, C. M, SILLANMÄKI, L, KOIVISTO, M, HÄGGQVIST, A, SAARELA, C, REVONSUO, A, LAINE, M, HÄMÄLÄINEN, H

“…Purpose : To examine the effects of electromagnetic fields (EMF) emitted by cellular phones on the event-related desynchronization/synchronization (ERD/ERS)…”
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Representation of spatial patterns on the Optacon in the peripheral and central nervous system by Gardner, E. P., Palmer, C. I., Hamalainen, H. A., Warren, S.

“…The pattern of neuronal activity evoked by the Optacon stimulator has been defined for cutaneous mechanoreceptors and for cortical neurons using bar patterns…”
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