Psycho Physiological Psycho Physiological MeasurementsMeasurements

Presentation byPresentation by

S.Rajesh KhannaS.Rajesh KhannaSchool of Psychology BatchSchool of Psychology Batch

Adikavi Nannaya UniversityAdikavi Nannaya University

Physiological measurementsPhysiological measurements

There are certain strategies to measure physiological There are certain strategies to measure physiological changes occur in an individual.changes occur in an individual.

In psycho physiology we can measure the activities of In psycho physiology we can measure the activities of the brain or the electro physical activity of the body.the brain or the electro physical activity of the body.

There are 10 psycho physiological measurements There are 10 psycho physiological measurements widely used. They are….. widely used. They are…..

E.M.GE.M.G

It records the action potential given off by It records the action potential given off by contracting muscle fibres. Ex. Facial muscles.contracting muscle fibres. Ex. Facial muscles.

E.G.G.E.G.G.Electro GastrographyElectro Gastrography

It provides a recod of smooth muscle activity It provides a recod of smooth muscle activity in the abdomen. The contraction of the in the abdomen. The contraction of the stomach/intestine.stomach/intestine.

It used to gain information about fear, anxiety It used to gain information about fear, anxiety or other emotional status.or other emotional status.

E.O.G.E.O.G.Electro oculographyElectro oculography

It can be used for measuring rapid eye It can be used for measuring rapid eye movements during sleep.movements during sleep.

Readings from electrodes placed around the Readings from electrodes placed around the eye.eye.

E.K.GE.K.GElectro Cardiography Electro Cardiography

It is used to records changes in electrical It is used to records changes in electrical potential associated with the heart beat.potential associated with the heart beat.

Electrodes placed at various locations of the Electrodes placed at various locations of the body.body.

EKG may be used to suplement observations EKG may be used to suplement observations relevant to stress, heart diseases, type-A relevant to stress, heart diseases, type-A behavioural patterns.behavioural patterns.

E.D.AE.D.AElectro Dermal ActivityElectro Dermal Activity

It is known as G.S.R. also.It is known as G.S.R. also. Galvanic skin response, skin resistence, skin conductance .Galvanic skin response, skin resistence, skin conductance . It refers to the electrical activity of the skin.It refers to the electrical activity of the skin. The activity of the eccrine glands can be measured by EPA.The activity of the eccrine glands can be measured by EPA.

E.E.G. E.E.G. Electro encifilographyElectro encifilography

It provides information about the electrical It provides information about the electrical activity of the brain as recorded by surface activity of the brain as recorded by surface electrodes attached to the skull.electrodes attached to the skull.

PneumographyPneumography

It measures the frequency and amplitude of It measures the frequency and amplitude of breathingbreathing

P.E.T.P.E.T.Positron emission tomographyPositron emission tomography

Advanced versions used in 1992-1996.Advanced versions used in 1992-1996. It uses radiation/nuclear medicine imaging to It uses radiation/nuclear medicine imaging to

produce 3D colour images of the functional produce 3D colour images of the functional process with in the human body. process with in the human body.

Modern machines uses a CITY X-Ray scan Modern machines uses a CITY X-Ray scan which is performed on the patient at the same which is performed on the patient at the same time same machine. time same machine.

It can be used to diagnosis a health condition.It can be used to diagnosis a health condition.

P.E.T.P.E.T.

SPECTSPECTSingle Photon Emission Computed Single Photon Emission Computed

TomographyTomography It is able to provide true 3D images.It is able to provide true 3D images.

M.R.I.M.R.I.Magnetic Resonance ImagingMagnetic Resonance Imaging

It is a medical imaging techniques used in It is a medical imaging techniques used in radiology to visualise detailed internal radiology to visualise detailed internal structures. structures.

It is used to distinquish pathological tissues It is used to distinquish pathological tissues from normal tissues.from normal tissues.

It is harmless to the patient. It uses strong It is harmless to the patient. It uses strong magnetic fields and non ionizing radiation in magnetic fields and non ionizing radiation in the radio frequencyrange. the radio frequencyrange.

Recent developments in the field is F.M.R.I.Recent developments in the field is F.M.R.I.

MRIMRI

Thank you Thank you

S.Rajesh KhannaS.Rajesh KhannaThe School of Psychology BatchThe School of Psychology Batch