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At least 523 records · Page 29Linked to original sources
PubMedDate not supplied

Movement-dependent and movement-independent changes in hippocampal RSA in cats.

EEG was recorded from the dorsal hippocampus of cats during walking in situations intended to elicit a minimum of orienting or attentional behavior. The situations included walking in an alley for food after prolonged overtraining, and ad lib walking in an observation chamber after 24 hours habituation. In virtually all (82-100%) cases of sustained walking RSA was present in the dorsal hippocampus; however, the amplitude of the RSA during walking was quite variable and in many cases quite small. The results suggest that in the cat motoric factors may influence the occurrence of RSA and non-motoric factors may influence the amplitude of RSA.

Animals↗
PubMed1982

Fetal respiratory movements: a nomogram for fetal thoracic and abdominal respiratory movements.

A nomogram for fetal thoracic and abdominal amplitudes during respiration is presented. The correlation coefficient between the thoracic amplitude and gestational age was 0.973, and that for the abdominal amplitude was 0.920, thus suggesting a strong correlation between gestational age and respiratory amplitude (p less than 0.001), whereas no correlation was found between respiratory amplitude and fetal weight. The respiratory amplitudes were not influenced by intake of meals or time of the day when examination was carried out. The respiratory amplitudes were found to be very reproducible (SEM=0.1 mm, N=42). This new noninvasive method to predict the respiratory distress syndrome seems to be very promising.

Abdomen↗
PubMed2003

Do disorders of movement cause movement disorders and dementia?

Neurons require long-distance microtubule-based transport systems to ferry vital cellular cargoes and signals between cell bodies and axonal or dendritic terminals. Considerable progress has been made on developing a molecular understanding of these processes and how they are integrated into normal neuronal functions. Recent work also suggests that these transport systems may fail early in the pathogenesis of a number of neurodegenerative diseases.

Animals↗
PubMed2005

Limitations of a simple technique for movement compensation via movement-modified fluence profiles.

The delivery of intensity-modulated radiation therapy (IMRT) through the dynamic multileaf collimator (dMLC) technique is well known and recently it has been shown how this can be modified to deliver fluence to a body which is moving in a regular and totally predictable manner. This involves making the leaves 'breath' in tandem with the body motion. This note presents an entirely alternative suggestion in which the leaves do not 'breath' at all but the fluence profile to be mapped to the unbreathing leaf motions is modified so that, when sampled by the specified motion, the actual fluence delivered is close to the desired fluence. Limitations of the concept are discussed.

Algorithms↗
PubMedDate not supplied

Recordings of the movement at the intervertebral segment L5-S1: a technique for the determination of the movement in the L5-S1 spinal segment by using three specified postural positions.

The pathomechanism of low-back pain generation is not understood very well. Functional disturbances of motion at the individual segmental level appear to play a role in many cases. In this study a technique of numeric analysis of radiographic observations of the lumbar spine is developed by which the authors are able to assess the displacement of the two components of the L5-S1 motion segment in the sagittal plane when the subject assumes three specified standard postural positions.

Adolescent↗