Proposition point 1: feeling
(A) the meaning of feeling
The response of the human brain to the individual attributes of objective things that directly act on the sensory organs.
Feeling is an activity between psychology and physiology, which mainly comes from the physiological activities of sensory organs and the physical characteristics of objective stimuli. Feeling is the basis of perception, an organic part of perception and a basic condition of perception.
(B) the role of emotion
Feeling is the beginning of understanding the world and the basis of all human knowledge and experience. Feeling belongs to the stage of perceptual knowledge and is the starting point of cognition. Feeling is the basis of all other psychological activities and the necessary condition for normal psychological activities. Without feeling, the existing normal psychological activities of human beings will also be destroyed. Without feeling, people will not only produce new knowledge, but also normal psychological activities will be destroyed.
(3) the classification of feelings
1) external senses: sight, hearing, taste, smell and skin feeling.
2) Internal feeling: physical feeling, movement feeling and balance feeling.
(D) the characteristics of feeling
1. sensory adaptation
The phenomenon that the sensitivity changes under the continuous action of external stimuli.
For example, "When you enter Lan Zhi's room, you don't smell its fragrance for a long time, and when you enter the abalone place, you don't smell its stink for a long time", which is the adaptation of the sense of smell. When you put your hand in warm water, you start to feel hot, and then you don't feel hot. This is the adaptation of skin feeling. Visual adaptation can be divided into dark adaptation and light adaptation: dark adaptation: from bright to dark environment, you can't see clearly first, then you can see clearly; Light adaptation: from darkness to bright environment, it starts to be dazzling, and then it can adapt.
Feel the residual image
After the external stimulus stops acting, the temporarily retained sensory impression is called sensory afterimage.
For example, if the electric light goes out, you will see the shape of the light bulb in your eyes, which is the visual afterimage. After the sound stops, there is still a lingering sound in the ear, which is the residual image of hearing.
Perceptual afterimage is divided into positive afterimage and negative afterimage:
Positive afterimage: afterimage with the same properties as stimulus:
Negative afterimage: the afterimage that is opposite to the stimulus.
3. Feeling contrast
The phenomenon that different stimuli act on the same sensory organ and change its sensitivity is called sensory contrast. There are two kinds of sensory contrast: simultaneous contrast and subsequent contrast.
(1) simultaneous comparison
The contrast formed by the simultaneous appearance of two senses is called simultaneous contrast. For example, at the junction of light and dark, the bright place is brighter and the dark place is darker (that is, the Mach band phenomenon), which is the contrast of lightness; For example, the safflower under the green leaves looks redder, which is a phenomenon of color contrast, and the function of color contrast is to produce its complementary color.
(2) Comparison with time.
The contrast formed by the successive occurrence of two kinds of feelings is called continuous contrast. After eating bitter medicine, I feel that sugar is sweeter; Coming out of cold water and then into slightly hotter water, I feel that hot water is hotter.
4. Common feelings
The phenomenon that a stimulus not only causes one feeling, but also causes another feeling is called synaesthesia.
For example, red looks warm and blue looks cool; When listening to rhythmic music, I feel that the lights are flashing like the rhythm of music. These phenomena are called synesthesia.
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