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PubMedDate not supplied

Touching with intent: using therapeutic touch.

Nurses have always used touch in their care. Therapeutic Touch describes using touch with an intent to help. It offers nurses the opportunity to develop another dimension in their care.

Adult↗
PubMed2003

Intraoperative evaluation of axillary sentinel lymph nodes using touch imprint cytology and immunohistochemistry: I. Protocol of rapid immunostaining of touch imprints.

AIMS: Sentinel Node Biopsy (SNB) is considered an accurate method of detecting axillary lymph node status in patients with small breast cancer. Combined with an accurate and rapid histopathology tool, it could spare this group of patients unnecessary Axillary Node Clearance (ANC) with its associated hazards. Intraoperative examination of SNB for cancer cells has been investigated using both Frozen Sections (FS) and Imprint Cytology (IC) stained with different stains. This study is devoted to establish a reliable and rapid protocol for immunostaining of touch imprints from SNB. METHODS: We investigated two different EPOS (Enhanced Polymer One-Step staining--DAKO) anticytokeratin antibodies, five different tissue fixatives and different incubation periods and temperatures with both positive and negative controls. RESULTS: We have developed a protocol, which produced good and consistent immunostaining of touch imprints. The initial results using this protocol are concordant with those of permanent Haematoxylin and Eosin (H&E) sections. CONCLUSIONS: We propose this protocol for rapid immunostaining of touch imprints of SNB.

Antibodies↗
PubMed1997

Touching what is, touching what might be.

How do you master change? You have to master the paradox of changing while staying grounded. To make use of the power living inside any new thing that comes your way, you first have to touch it--not tentatively but profoundly--at the same time that you maintain a firm connection with that which is deepest and most fundamental within you. Here, some ideas on how to create "touch points," the ability to look at a problem or impending change from many different angles, thus broadening your understanding and possible response. A key tactic in creating a variety of touch points is quite simple: Ask a lot of questions. Ask especially the questions that have difficult answers, or for which you suspect there is no answer.

Decision Making, Organizational↗
PubMed2001

Arthropod touch reception: spider hair sensilla as rapid touch detectors.

Wandering spiders like Cupiennius salei are densely covered by tactile hairs. In darkness Cupiennius uses its front legs as tactile feelers. We selected easily identifiable hairs on the tarsus and metatarsus which are stimulated during this behavior to study tactile hair properties. Both the mechanical and electrophysiological hair properties are largely independent of the direction of hair displacement. Restoring torques measure 10(-9) to 10(-8) Nm. The torsional restoring constant S changes non-linearly with deflection angle. It is of the order of 10(-8) Nm/rad, which is about 10,000 times larger than for trichobothria. Angular thresholds for the generation of action potentials are ca.1 degrees. Electrophysiology reveals a slow and a fast sensory cell, differing in adaptation time. Both cells are movement detectors mainly responding to the dynamic phase (velocity) of a stimulus. When applying behaviorally relevant stimulus velocities (up to 11 cm s(-1)) threshold deflection for the elicitation of action potentials and maximum response frequency are reached as early as 1.2 ms after stimulus onset and followed by a rapid decline of impulse frequency. Obviously these hairs inform the spider on the mere presence of a stimulus but not on details of its time-course and spatial orientation.

Action Potentials↗
PubMed1981

Can passive touch be better than active touch? A comparison of active and passive tactile maze learning.

In a comparison of the performance of active (n=15) and passive (n=15) mechanically yoked subjects who learned their way through a tactile maze, it was shown that active subjects mad more errors and took a greater number of trials to reach criterion than did passive subjects. In addition, the difference between active and passive performance was largely accounted for by the greater number of repeated errors made by active subjects. In a second experiment it was found that the poorer performance of active subjects could be attributed to the interfering effects of decisions about which way to move. However, the responsibility for the production of movement had no effect on performance. it was argued that the results reflected limits to the cognitive system, not the haptic system.

Adolescent↗