Method and apparatus for controlling an electrical device using electrodermal response
First Claim
1. The method of utilizing electrodermal response or other autonomic nervous system functions of a biological individual as a conscious and intentional control means, comprising the steps of:
- a) programming an electrical device to respond in a desired humanly perceptible fashion to changes in the sense and amplitude of an electrical control signal only in a given range within which the electrical device is capable of response;
b) sensing a value characteristic of the state of said electrodermal response or other autonomic nervous system function of the individual;
c) converting said sensed value into an electrical signal which changes in sense and amplitude with changes in said sensed value;
d) continuously adjusting said electrical signal toward a given electrical value which represents a zero rate of change of the sensed value, with a range of velocities of adjustment approaching the average range of velocities of adjustment which can be achieved by the central nervous system of said biologic individual in said value characteristic of the state of said electrodermal response or other autonomic nervous system function;
e) deriving a representation of said adjustment of the electrical signal and converting it to an electrical output signal having a value corresponding to a zero rate of change of the sensed value at about the middle of said given range and which varies directly in sense and amplitude with changes in said representation, with a difference between the minimum and maximum values thereof that is a substantial portion of said given range;
f) utilizing said electrical output signal as said electrical control signal by inputting the electrical output signal to said electrical device, andg) through the biologic individual, consciously making inputs to the central nervous system in order to affect the autonomic nervous system to induce changes to said value characteristic in a positive or negative direction and thereby inducing a response in the electrical device in a positive or negative direction.
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Abstract
A method and apparatus utilizing electrodermal response as a control mechanism. A specific embodiment of the method and apparatus utilizing a personal computer having a game paddle input port is described. The time rate of change in the electrodermal response of a biologic individual is sensed independently of the absolute value of the electrodermal response and continuously adjusted toward a time rate of change approaching the average time rate of change which the biologic individual cna consciously achieve in such electrodermal response. The resultant time rate of change is utilized as the input to a computer in order to provide the control.
57 Citations
6 Claims
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1. The method of utilizing electrodermal response or other autonomic nervous system functions of a biological individual as a conscious and intentional control means, comprising the steps of:
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a) programming an electrical device to respond in a desired humanly perceptible fashion to changes in the sense and amplitude of an electrical control signal only in a given range within which the electrical device is capable of response; b) sensing a value characteristic of the state of said electrodermal response or other autonomic nervous system function of the individual; c) converting said sensed value into an electrical signal which changes in sense and amplitude with changes in said sensed value; d) continuously adjusting said electrical signal toward a given electrical value which represents a zero rate of change of the sensed value, with a range of velocities of adjustment approaching the average range of velocities of adjustment which can be achieved by the central nervous system of said biologic individual in said value characteristic of the state of said electrodermal response or other autonomic nervous system function; e) deriving a representation of said adjustment of the electrical signal and converting it to an electrical output signal having a value corresponding to a zero rate of change of the sensed value at about the middle of said given range and which varies directly in sense and amplitude with changes in said representation, with a difference between the minimum and maximum values thereof that is a substantial portion of said given range; f) utilizing said electrical output signal as said electrical control signal by inputting the electrical output signal to said electrical device, and g) through the biologic individual, consciously making inputs to the central nervous system in order to affect the autonomic nervous system to induce changes to said value characteristic in a positive or negative direction and thereby inducing a response in the electrical device in a positive or negative direction.
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2. Apparatus utilizing electrodermal response or other autonomic nervous system functions of a biologic individual as a conscious control means, comprising in combination:
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a) an electrical device programmed to respond in a desired humanly perceptible fashion to changes in the sense and amplitude of an electrical control signal only in a given range at the input thereto, said given range being a range within which the electrical device is capable of response; b) means for sensing a value characteristic of the state of said electrodermal response or other autonomic nervous system function; c) means for converting said sensed value into an electrical signal which changes in sense and amplitude with changes in said sensed value; d) means for continuously adjusting said electrical signal toward a given electrical value which represents a zero rate of change of the sensed value, with a range of velocities of adjustment approaching the average range of velocities of adjustment which can be achieved by the central nervous system of said biologic individual in said value characteristic of the state of said electrodermal response or other autonomic nervous system function; e) means for deriving a representation of said adjustment of the electrical signal and converting it to an electrical output signal having a value corresponding to a zero rate of change of the sensed value at about the middle of said given range and which varies directly in sense and amplitude with changes in said representation, with a difference between the minimum and maximum values thereof that is a substantial portion of said given range; and f) means coupling said electrical output signal to said input of said electrical device to provide said electrical control signal thereto; g) whereby the biologic individual consciously makes inputs to the central nervous system in order to affect the autonomic nervous system to induce changes to said value characteristic in a positive or negative direction and thereby inducing a response in the electrical device in a positive or negative direction. - View Dependent Claims (3, 4, 5, 6)
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Specification