Thursday, May 21, 2020

Perception of Motion

Motion perception is a complex process that requires the cooperation of all aspects of visual retrieval of the retina, the visual muscles, and the visual senses of stimulation of the surrounding environment as interpreted by the brain.

Moving objects are created by the real motion that is normally capable of capturing these motions. But sometimes there are instances where motion is convincing even when there is no need for it. Theses are known as apparent motion, and Gestalt psychologists were fascinated by it when they first studied it. Let us examine some of these types of movements.



Tuesday, May 19, 2020

Perceptual Organization

Figure & Ground
The relationship between shape and background is an important regulation of cognitive organization.

Closure
We have the ability to fill in the gaps by means of the news process.

Continuity
When one shape impedes another, the first shape we see is the continuous reflection in our mind.

Similarity
We have a tendency to grasp similar stimuli together.

Proximity
This implies that the same stimulus is their own.

Common Fate
It refers to the simultaneous movement of objects or stimuli that come together in groups.


Depth Perception
The main point is that the depth, length and width are somewhat more complex than you realize. Because our retina is two-dimensional. Therefore, even though the shadow of objects falling on them is two - dimensional, it is a problem for psychologists as to how the brain perceives the three dimensionality within them.


Monocular Depth Cues
There are many eye-catching tips for turning one-eyed two-dimensional retina into 3D sensory perception.


Interposition
If one object removes a portion of another object from our view, then the first object, the barrier is closet to us.

Perspective
The relative change in the difference is called the increase in the distance of the observer to an object or surface.

Tuesday, May 12, 2020

Visual Perception


Perceptual Constancy
This means that we tend to look at objects in a consistent way, ignoring the differences in the senses received by our sensory organs. Visual stability plays an important role in successfully adapting to our environment.

Brightness Constancy
This enables us to see the same object continuously in the same brightness even when the lighting conditions change.

Color Constancy
the determines our color perception through environmental illumination.

Shape Constancy
This stability is intended to make objects look familiar to us no matter what angle we look at them.

Size Constancy
This means that the size of the images presented by the retina is sufficiently large to be normal.

Saturday, May 9, 2020

Transduction & Sensory Adaptation

Transduction

This is the process by which the stimulus from the environment is converted into neuronal impulses through the nervous system.

Sensory Adaptation

Sensory organs are bent to appropriately replicate the action of a continuous and unchanged stimulus.

Measuring Empathy

Psychophysiology is the field of psychology used to compare the physical energy of a stimulus.

Absolute Threshold

This is called the minimum amount of physical energy needed to produce a sensation.

Difference Threshold

The change in the minimum amount of energy needed to produce a change in sensation is called, this is also known simply as the difference. (JND - Just Noticeable Difference)

Friday, May 8, 2020

What is empathy and cognition?

Psychologists have studied that empathy is a physiological phenomenon and cognitive perception is a cognitive state.

Psychologist Douglas Blumkist describes empathy as an inactivation process in which the neurons are merely impulses that can be carried by the sensory receptors to the nervous system.

Cognition is a more active process whereby sensory information is transported, organized and interpreted by the nervous system to the brain.

Cognition is also associated with other cognitive processes, such as the ability to interpret information obtained through memory, thinking and sensory processing.

Saturday, May 2, 2020

Professor of Cognition and Cognition - Gibson Illinor Jack

She was born on December 7, 1910 in Peoria, Illinois, USA. In 1931, she graduated from Cornell university's Smith College. In 1933, she received her second degree in psychology. She graduated in 1938 with her third degree, a PhD degree.

She died in 2002 after a persistent pursuit of academic work.

Her research, "The Visual Cliff" published in 1950 with Richard Walk has become increasingly popular.

For more information please visit - Profile of Eleanor J Gibson

Friday, May 1, 2020

Biological Therapy


There are three main types of therapy.

1.       Drug Therapy
2.       Psycho Surgery
3.       Electrocution Therapy


Drug Therapy
There are three main categories of drugs used for psychological disorders.

Anti-anxiety Drugs
These drugs are also known as Minor Tranquilizers. These are used to reduce anxiety. This medication is given to patients who are suffering from symptoms such as stress or lack of sleep. Just a small dose is sufficient and higher doses can have dangerous effects.


Anti-psychotic Drugs
These drugs are also known as Major Tranquilizers. The medication is given to certain schizophrenic patients who exhibit nonsense and antisocial symptoms. Some patients seem to be using these drugs in high doses without any knowledge. In some cases, some patients may find that they are less prone to aggression and are more calm.


Antidepressant Drugs
Depression is used as a medicine for ailments.


Psycho Surgery
Modern psychiatric cerebral surgery was first performed by the Portuguese neuropsychologist Antonio Catano dei. By Abruzz Fiore Enous Moniz. In 1935, he disconnected the Lalata segment from the brains of violent psychiatric patients. These patients were then shown to be peaceable rather than harsh. This technique is known as prefrontal lobotomy. By the 1950s, the surgery was performed for schizophrenia and anxiety disorders.

But the side effects of this surgery were epilepsy, loss of emotion and problems in thinking. The surgery was refused.


Electrocution Therapy
This procedure was invented by an Italian physician. What happens is that a mild electrical current sends to the brain and causes an eruption of epilepsy. This method was very popular during the 1940s and 1960s when there were no anti-inflammatory and anti-inflammatory drugs. But today this method is out of use. Nowadays, this procedure is done by injecting a short-acting anesthetic drug into the muscle.