International Journal of Psychophysiology

article

Electroencephalographic coherences discriminate between children with different pedagogical evaluation

Erzsébet Marosi, Thalía Harmony, Jacqueline Becker, Alfonso Reyes, more

International Journal of Psychophysiology > 1995 > 19 > 1 > 23-32

The relationship of reading-writing ability and EEG coherences was studied in 84 subjects from two age groups 7.0-8.9 and 9-11.2 years old. All children were divided into three groups according to their performance on a pedagogical test: ped1, normal children; ped2, children with mild problems; ped3, children with reading-writing disability. The following results were obtained: in general, children...

article

Spontaneous conscious covert cognition states and brain electric spectral states in canonical correlations

D. Lehmann, P. Grass, B. Meier

International Journal of Psychophysiology > 1995 > 19 > 1 > 41-52

Correlations between subjective, conscious, spontaneous cognitions and EEG power spectral profiles were investigated in 20 normal volunteers (2 sessions each) during relaxation-drowsiness-sleep onset. Four-channel EEG (temporal-parietal and parietal-central, left and right) was continuously recorded. The subjects were prompted 15 times per session to give brief reports of their ongoing thoughts...

article

Detecting simulated amnesia with event-related brain potentials

J. Peter Rosenfeld, Joel Ellwanger, Jerry Sweet

International Journal of Psychophysiology > 1995 > 19 > 1 > 1-11

Two experiments were done in which groups of normal college undergraduate subjects were instructed to simulate autobiographical amnesia related to head injury. The subjects were tested for autobiographical knowledge with pencil-and-paper recall and recognition tasks, and on another day, with recognition tasks in which event-related potentials were recorded in response to the same autobiographical...

article

Random number generation and the frontal cortex

F. Itagaki, S. Niwa, K. Itoh, T. Momose

International Journal of Psychophysiology > 1995 > 19 > 1 > 79-80

article

Baroreflex sensitivity during noxious stimulation in vasovagal reactors to blood donation

Christopher France

International Journal of Psychophysiology > 1995 > 19 > 1 > 13-22

Baroreflex sensitivity was assessed at rest and during constrictive pain in healthy males with and without a history of vasovagal reactions to blood donation. Continuous recordings of cardiac inter-beat interval and finger arterial pressure were obtained at rest and during repeated presentations of constrictive thigh-cuff stimulation. Baroreflex sensitivity (in msec/mm Hg) was computed according...

article

Electrocortical, autonomic, and subjective responses to rhythmic audio-visual stimulation

Peter Brauchli, Christoph M. Michel, Hans Zeier

International Journal of Psychophysiology > 1995 > 19 > 1 > 53-66

The present study was designed to test the hypothesis that varying sensory input can affect mood, autonomic arousal, and electrocortical activity. Twenty right-handed males were exposed to three rhythmic audio-visual stimulation programs, with either a high intensity and variety of stimuli (program H), a low stimulation (program L) or with a transient from high to low (program HL). Multichannel EEG,...

article

Baroreceptor cortical effects, emotions and pain

Alessio Mini, Harald Rau, Pedro Montoya, Daniela Palomba, more

International Journal of Psychophysiology > 1995 > 19 > 1 > 67-77

The specificity of baroreceptor-dependent inhibition of pain reactions to electrical stimuli was investigated during induction of different emotional states in 27 subjects. Baroreceptors were stimulated through the PRES (Phase Related External Suction) technique, while emotions were induced by means of pleasant, neutral and unpleasant slides. The dependent variables were pain ratings, somatic evoked...

article

Changes in visual fixation and saccadic eye movements in Alzheimer's disease

Frederick W. Bylsma, D. Xeno Rasmusson, George W. Rebok, Penelope M. Keyl, more

International Journal of Psychophysiology > 1995 > 19 > 1 > 33-40

Visual fixation and saccadic eye movements were assessed in 31 mild to moderately demented patients with probable Alzheimer's disease (AD) and 31 age- and education-matched nondemented elderly control subjects. Seventeen AD and 17 matched control subjects were reassessed after a 9-month interval. On a fixation task, duration of fixation and number of intrusive saccades were not different between...

article

Ontogenesis of goal-directed behavior: anatomo-functional considerations

Ivica Kostović, Miloš Judaš, Zdravko Petanjek, Goran Šimić

International Journal of Psychophysiology > 1995 > 19 > 2 > 85-102

Recent neuroanatomical and neurophysiological studies in man have revealed ontogenetic events which coincide with broadly defined phases of behavioral and cognitive development. During the early fetal period, early produced neurons make initial synapses which form the basis for the earliest electrical activity of the human brain. The overall immaturity of neuronal connections, in particularly in...

article

Modelling the acquisition of goal-directed behaviors by populations of neurons

Emmanuel Guigon, Yves Burnod

International Journal of Psychophysiology > 1995 > 19 > 2 > 103-113

Recent neurophysiological studies have revealed the patterns of neuronal activity during the acquisition of goal-directed behaviors, both in single cells, and in large populations of neurons. We propose a model which helps three sets of experimental results in the monkey to be understood: (1) activity of single cells vary greatly and only population activities are causally related to behavior. The...

article

Developmental aspects of bereitschaftspotential in children during goal-directed behaviour

Giuseppe Augusto Chiarenza, Marica Villa, Gabriella Vasile

International Journal of Psychophysiology > 1995 > 19 > 2 > 149-176

article

Variability and the development of skilled actions

Edison J. de Manoel, Kevin J. Connolly

International Journal of Psychophysiology > 1995 > 19 > 2 > 129-147

Consistency and invariance in movements have been seen as the essential features of motor skill development. This emphasis on the stabilisation of action has led to the neglect of the processes whereby skills are modified and reorganised into new and more complex acts, that is the process of adaptation. It is argued that variability of motor behaviour has a major role to play in this process and...

article

The neurological development of prehension: a developmental neurologist's view

Bert C.L. Touwen

International Journal of Psychophysiology > 1995 > 19 > 2 > 115-127

From the developmental neurological point of view prehension is an important function as it involves the total sensorimotor nervous system. In order to make efficient performance possible both postural activity and motility of arms and hands must be coordinated, implying an intricate interplay between tonic and phasic activities. The analysis of the development of the different contributors suggests...

article

Temporal stability of children's cardiovascular (CV) reactivity: role of ethnicity, gender and family history of myocardial infarction

Linda Musante, Frank A. Treiber, Harry Davis, Maurice Levy, more

International Journal of Psychophysiology > 1995 > 19 > 3 > 281-286

Cardiovascular responses to three laboratory stressors (i.e., postural change, treadmill exercise, forehead cold) were evaluated in 106 children (72 Whites, 34 Blacks) who varied in family history (FH) of early myocardial infarction (53 positive FH, 53 negative FH). Subjects were evaluated on two occasions separated by one year. In general, regardless of ethnicity, gender or FH, stability of resting...

article

Temporal localization of the response selection processing stage

Jean-Louis Nandrino, Farid El Massioui

International Journal of Psychophysiology > 1995 > 19 > 3 > 257-261

Response choice is one of the stages in the information processing model proposed by Sanders. It is influenced by stimulus-response (S-R) compatibility. Segmentation of the processing window in intervals between RT and peak latencies and between peak latencies, was used to test the assumption that the decisional processes would be concomitant with the N200 rather than the P300 component. ERPs were...

article

Smoking and EEG power spectra: effects of differences in arousal seeking

Mary R. Cook, Mary M. Gerkovich, Steven J. Hoffman, F. Joseph McClernon, more

International Journal of Psychophysiology > 1995 > 19 > 3 > 247-256

Reversal theory, a general theory of motivation, emotion and action, has recently been shown to predict lapses in smoking cessation. Individuals are less likely to lapse if they are in the telic (serious-minded, arousal avoidant, goal-oriented) state than when they are in the paratelic (playful, arousal seeking, spontaneous) state. The literature indicates that people can smoke in such a way as...

article

Temporal stability of acute stressor-induced changes in cellular immunity

Paul J. Mills, Soraya L. Haeri, Joel E. Dimsdale

International Journal of Psychophysiology > 1995 > 19 > 3 > 287-290

This study examined the temporal stability of enumerative immune responses to acute psychosocial stress. Lymphocyte subsets were measured in 24 healthy male subjects at rest and following a speaking stressor on two occasions approximately six weeks apart. The speaking task caused significant increases in T-suppressor/cytotoxic cells, natural killer cells, T-cells, and total WBC and decreases in...

article

Brainstem frequency-following and behavioral responses during selective attention to pure tone and missing fundamental stimuli

Gary C. Galbraith, Bao Q. Doan

International Journal of Psychophysiology > 1995 > 19 > 3 > 203-214

Reaction time (RT), discrimination sensitivity (d ), and the brainstem frequency-following response (FFR) were recorded in 32 subjects performing a selective attention task. Auditory stimuli were a 400 Hz pure tone and a complex missing fundamental (MF) presented dichotically to separate ears (channels). In two tasks, infrequent target stimuli were either of lower intensity or greater duration...

article

An ERP study on the specificity of facial expression processing

Luis Carretié, Jaime Iglesias

International Journal of Psychophysiology > 1995 > 19 > 3 > 183-192

Facial expression processing specificity was investigated by means of event-related potentials (ERPs). Stimuli consisted on happiness facial expressions (H) along with three other visual stimuli with different physical and affective characteristics: neutral facial expressions, landscapes and grey slides. The 32 subjects had to rate the stimuli with respect to two affective dimensions: valence...

article

Modulation of semantic processing using word length and complexity: an ERP study

Marc E. Pratarelli

International Journal of Psychophysiology > 1995 > 19 > 3 > 233-246

The objective of this study was to assess changes in semantic priming in two experiments which separately manipulated word length and the location of a semantic incongruence within spoken compound words. All words began 1500 ms after the presentation of related, partially unrelated, or totally unrelated picture-primes. Using a picture of a dogbone as an example, either the spoken words DOGBONE,...

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International Journal of Psychophysiology

Electroencephalographic coherences discriminate between children with different pedagogical evaluation

Spontaneous conscious covert cognition states and brain electric spectral states in canonical correlations

Detecting simulated amnesia with event-related brain potentials

Random number generation and the frontal cortex

Baroreflex sensitivity during noxious stimulation in vasovagal reactors to blood donation

Electrocortical, autonomic, and subjective responses to rhythmic audio-visual stimulation

Baroreceptor cortical effects, emotions and pain

Changes in visual fixation and saccadic eye movements in Alzheimer's disease

Ontogenesis of goal-directed behavior: anatomo-functional considerations

Modelling the acquisition of goal-directed behaviors by populations of neurons

Developmental aspects of bereitschaftspotential in children during goal-directed behaviour

Variability and the development of skilled actions

The neurological development of prehension: a developmental neurologist's view

Temporal stability of children's cardiovascular (CV) reactivity: role of ethnicity, gender and family history of myocardial infarction

Temporal localization of the response selection processing stage

Smoking and EEG power spectra: effects of differences in arousal seeking

Temporal stability of acute stressor-induced changes in cellular immunity

Brainstem frequency-following and behavioral responses during selective attention to pure tone and missing fundamental stimuli

An ERP study on the specificity of facial expression processing

Modulation of semantic processing using word length and complexity: an ERP study

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