Ar 2008b Temperature Bfbk Physiol

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Stress Management and Biofeedback Stress Management and Biofeedback

WorkshopWorkshop

Peripheral Temperature Biofeedback:Peripheral Temperature Biofeedback:

Physiology , Instrumentation and UsesPhysiology , Instrumentation and Uses

By: Dr. Ernesto Sh. Korenman, July / By: Dr. Ernesto Sh. Korenman, July / 20082008Dr. Ernesto Sh. Korenman, 2008

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Peripheral Body HeatPeripheral Body Heat

Dr. Ernesto Sh. Korenman, 2008

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•• Body heat is transferred by Body heat is transferred by conduction, convection, conduction, convection, radiation, and evaporation.radiation, and evaporation.

•• During exercise, evaporation During exercise, evaporation is the main means of heat is the main means of heat loss; during rest, radiation is.loss; during rest, radiation is.

•• Humans maintain a constant Humans maintain a constant internal temperature of internal temperature of 3636..1 1 to to 3737..8 8 °°C (C (9797..0 0 to to 100100..0 0 °°F). F).

•• Higher humidity reduces Higher humidity reduces potential evaporation and potential evaporation and thus affects heat loss.thus affects heat loss.

Heat Transference Heat Transference


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Body Temperature Body Temperature -- CirculationCirculation


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Blood Vessels structureBlood Vessels structure


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Regulation of Body HeatRegulation of Body Heat

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•• HypothalamusHypothalamus

•• Central and peripheral thermoCentral and peripheral thermo--receptorsreceptors

•• Sweat glandsSweat glands

•• Smooth muscle around arteriolesSmooth muscle around arterioles

•• Skeletal musclesSkeletal muscles

•• Endocrine glandsEndocrine glands

•• EffectorsEffectors

Regulators of Heat ExchangeRegulators of Heat Exchange


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Neural Vasomotor RegulationNeural Vasomotor Regulation


9The Hypothalamus and HyperthermiaThe Hypothalamus and Hyperthermia


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Peripheral Temperature Biofeedback: Peripheral Temperature Biofeedback:

InstrumentationInstrumentation


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Temperature Biofeedback DeviceTemperature Biofeedback Device

•• Indirect measurement of peripheral vasoconstriction.Indirect measurement of peripheral vasoconstriction.

•• Fast responding probe (Fast responding probe (00..55--1 1 sec enough).sec enough).

•• Resolution, (follow changes) than absolute Resolution, (follow changes) than absolute temperature accuracy (temperature accuracy (00..0101--1 1 ooF).F).Dr. Ernesto Sh. Korenman, 2008

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Standalone Biofeedback ThermometersStandalone Biofeedback Thermometers

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Peripheral Temperature Biofeedback:Peripheral Temperature Biofeedback:

Basic MethodologyBasic Methodology


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Basic, (E. Green), Temperature TrainingBasic, (E. Green), Temperature Training

1.1. Discuss the rationale and answer questions to patient.Discuss the rationale and answer questions to patient.

2.2. Explain biofeedback machine.Explain biofeedback machine.

3.3. Apply the thermistor.Apply the thermistor.

4.4. At least At least 15 15 min of relaxation followed by warming visualization min of relaxation followed by warming visualization

(for instance heaviness and warmth autogenic exercises).(for instance heaviness and warmth autogenic exercises).

5.5. Visualize desired changes with closed eyes.Visualize desired changes with closed eyes.

6.6. Expose patient to temperature feedback (sometimes with Expose patient to temperature feedback (sometimes with autogenic affirmations.autogenic affirmations.


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Sources of artifactSources of artifact

•• Outside temperature (baseline status)Outside temperature (baseline status)

•• Room temperature (sets lower limit)Room temperature (sets lower limit)

•• Breeze (removes heat and evaporates Breeze (removes heat and evaporates sweat)sweat)

•• Probe contact and “blanketing effect”Probe contact and “blanketing effect”


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Temperature Biofeedback SessionTemperature Biofeedback Session


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Finger thermal graphFinger thermal graph


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Some Uses of Temperature BiofeedbackSome Uses of Temperature Biofeedback

•• General relaxationGeneral relaxation

•• HeadachesHeadaches

•• Hypertension ControlHypertension Control

•• Raynaud’s DiseaseRaynaud’s Disease

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The EndThe End

Date post:	13-May-2015
Category:	Health & Medicine
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Ar 2008b Temperature Bfbk Physiol

Health & Medicine