Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

Mind over matter. Add biofeedback input to your computer. Use muscle signals to produce computer input.
BYTE Jun 1979 (v.4#6) pg. 49
Added Info BYTE Feb 1981 (v.6#2) pg. 282

Tips on connecting a EMG (electromyogram) to a TRS-80 computer.
BYTE Jan 1981 (v.6#1) pg. 284

The use of Fourier transforms to explore biological rhythms. BASIC computer program to calculate power spectrum is included.
BYTE Apr 1981 (v.6#4) pg. 314

What's your tenseness level. Connecting an interactive "Biobox" to a TRS-80 Color Computer enables you to experiment with biofeedback techniques. Est. cost: $15.
COMPUTERS & ELECTRONICS Feb 1983 (v.21#2) pg. 77
Added Info COMPUTERS & ELECTRONICS Jun 1983 (v.21#6) pg. 6

Listen to the electrical signals generated by your heart and muscles with this amplifier which will provide a gain of about 300,000.
CQ. THE RADIO AMATEUR'S JOURNAL Mar 1979 (v.35#3) pg. 106

Build a biofeedback pickup device that attaches to your fingertips and to your PC. It displays your "stress level" on the video monitor. Est. cost: $35.
ELECTRONICS NOW Dec 1996 (v.67#12) pg. 37

How are you feeling today? Program for a KIM-1 computer that computes biorhythms whenever you enter the date of a persons birth and the date for which you want the biorhythm displayed.
KILOBAUD MICROCOMPUTING #14 Feb 1978 pg. 24

Heath H8 computer assembly-language program which runs with an interface to measure the intervals between neural discharges in the human brain. Includes the schematic for the interface.
KILOBAUD MICROCOMPUTING Jan 1982 (v.6#1) pg. 72

Electronic circuit amplifies some 300,000 times the electronic activity of your muscles and lets you listen to that activivty. Est. cost: Under $11.
MODERN ELECTRONICS [1] Jun 1978 (v.1#4) pg. 57

Biofeedback monitor and basic "lie detector".
MODERN ELECTRONICS [2] Aug 1990 (v.7#8) pg. 34
Added Info MODERN ELECTRONICS [2] Nov 1990 (v.7#11) pg. 9

Biofeedback monitor. Simple device to measure galvanic skin response (GSR) is used along with a personal computer to measure your stress level. Est. cost: $35 (kit).
POPTRONIX EXPERIMENTER HANDBOOK Summer 1997 pg. 80

Body muscles produce a small skin voltage when activated. This electronic pickup will audibly detect that voltage.
POPULAR ELECTRONICS [1] Nov 1971 (v.35#5) pg. 60

Build an alpha brain wave feedback monitor. Learn to relax through electronics. Est. cost: $59.
POPULAR ELECTRONICS [1] Jan 1973 (v.3#1) pg. 40

Build a muscle feedback monitor. New biofeedback technique helps to reduce tensions. This electromyograph (EMG) measures the minute electrical signals generated by a muscle when it is working. Est. cost: $55.
POPULAR ELECTRONICS [1] May 1975 (v.7#5) pg. 39
Correction POPULAR ELECTRONICS [1] Jun 1975 (v.7#6) pg. 7
Correction POPULAR ELECTRONICS [1] Sep 1975 (v.8#3) pg. 6

Skin temperature thermometer. Learning to increase and decrease the flow of blood to the limbs can result in control of things like cold hands or feet, migraine headaches, etc. Skin temperature thermometer helps detect blood flow rate.
POPULAR ELECTRONICS [1] Sep 1975 (v.8#3) pg. 62

Build a biorhythm clock. Digital clock keeps track of your biorhythm curves. Est. cost: $30.
RADIO-ELECTRONICS Nov 1977 (v.48#11) pg. 33
Correction RADIO-ELECTRONICS Jan 1978 (v.49#1) pg. 18
Correction RADIO-ELECTRONICS Feb 1978 (v.49#2) pg. 16

Build this biofeedback monitor for your TRS-80 Model I or Model III computer.
RADIO-ELECTRONICS Dec 1984 (v.55#12) pg. 11 (ComputerDigest)

Build the BioBox biofeedback monitor for your TRS Model I or Model III. Part 2. Software and use.
RADIO-ELECTRONICS Jan 1985 (v.56#1) pg. 12 (ComputerDigest)

Graphic biofeedback monitor. How to interface a simple biofeedback device to a Commodore 64 computer's joystick port to provide a graphic display of your state of mental relaxation.
RADIO-ELECTRONICS Oct 1986 (v.57#10) pg. 6 (ComputerDigest)
Added Info RADIO-ELECTRONICS Feb 1987 (v.58#2) pg. 102

Build a computer-assisted biofeedback monitor.
RADIO-ELECTRONICS Oct 1988 (v.59#10) pg. 95
Added Info RADIO-ELECTRONICS Dec 1988 (v.59#12) pg. 17
Added Info RADIO-ELECTRONICS Jan 1989 (v.60#1) pg. 17

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