In daily life，When people know that the other party is uncomfortable，Always hope that the other party can drink plenty of water。But，Drink water such a simple action，but involved two subjects，That is the cup of water and the action to drink water。So to complete a drinking behavior，It must be united to achieve the effect we want，For example, let the other party take the initiative to drink plenty of water。Drink plenty of water，Exercise、Read more books、get up early、Less temper、Working hard, etc. These beneficial but difficult things to adhere to，Nature。Actually，We don’t need a big fee week，Only a small movement can produce great changes。

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People tend to think that the amount of eating depends mainly on the taste of food，Physiology and sensory research usually reports a positive correlation between food palatability and consumption。The interesting thing is，This correlation is displayed only without a competitive environmental impact。In daily life，Various competitive environmental impacts (such as weight、Disclosure of attention and other people's existence) may increase food intake，and have nothing to do with it。Brian Wansink at Cornell University did a research on popcorn，Discover，The amount of popcorn in the cinema，Bet365 app download and popcorn flavor、Cinema、Movie types, etc., are not great，but only related to the size of the popcorn barrel。This description，Even if the food is not suitable，Big packaging and large containers may also cause overeating。These findings indicate，The weight may also be used to increase consumption of less popular health foods (such as vegetables)。

In the environment around us，Filling every moment full of various objects。Our brain is always accepting vision、Touch Acting、Hearing and other information，Therefore, awareness of the outside world。But，Perception is not the ultimate purpose，Instead of action to deal with the external environment。For example，See a cup，We don’t just want to take a look，Instead, I want to pick up the cup，or pick up the cup to drink water。So，Compared to perception，Actions are more important for our survival。Actions in daily life seem simple and natural，But in fact, such as "reaching out", "opening the window", "putting in the mouth", "moving things" and "leg lifting", you need complicated cognitive processing。Take "drinking water" as an example，You need to know how far the cup is from you (distance perception)，Is it enough (Estimation of the space you can get in the arm)，How large is the cup (size perception)，How big do you need to open your hand to catch it (the opening of the grab)，Do you use two fingers or the entire palm to grab (action selection)，Multi -weight cups (weight estimation)，How hard to take it up (analysis of Bet365 lotto review strength)。All these processes need vision、Astronomical cooperation between sensing systems such as hearing and physical sensation，It will also be adjusted by existing experience and knowledge。The general impression of everyone's action may be: action requires bones、Participation in muscle, etc.，The nervous system involved is mainly concentrated in brain stems and spinal cord，Therefore, the research on action seems to be attributed to the neuroscience major of the medical school or the sports college of the sports college。But as described above，Movement, especially the fine movements of the hand, requires multiple cognitive processing brain areas to collaborate，Therefore, it is also an important branch in the field of cognitive neuroscience。

　　Movement of the object involves the carrier of the object

　　Both hands are the main organ of humans to complete the action。Newborn babies will touch their faces subconsciously，Babies of several months will consciously go to things and catch things。Extending and grabbing is the two most important themes in the field of hand action。Jeannerod (Jeannerod) as the pioneer of hand action research，The first to propose to stretch the hand to grab the object can be decomposed into the two ingredients (hand in hand) and grab (handle the object)。It is enough to rely on the location information of the object (external information)，and the capture needs to be based on the size of the object、shape、Material, etc. (internal information) adjusts the size of the hand and the position of the contact with the object and the object of the object。This two -stage theory is also supported by the two -stage theory.，For example, some studies have found that the Parieto-OCCIPITAL CORTEX is responsible for reaching out，And ANTERIOR Intraparietal Sulcus is responsible for grabbing。Studies on patients with leaf leaf injury and visual aid disorders also found that the double separation of the extension and grabbing。When we perform action on the object，Object Affordance (Object Affordance)。The concept of object carrying nature was initially proposed by Gibson in 1979，He believes that the environment directly provides humans with a possibility that we can correctly understand the environment，The concept of gradually developing in the study of perception and action relationship。According to Gypson's point of view，The carrier of the object of the object is not just the attribute of the object，This attribute is related to both the object and the individual who is perception。For example，Chairs can provide human beings with possibilities，But it cannot provide the possibility of standing for the seal。Human beings do not automatically perceive the carrier of multiple objects in the environment，and only perceive the carrier of the object movement that is suitable for the current own needs and intentions。The perception of the carrier of the object of the object will change with the needs of human beings，For example，Benes of different heights for different people，The availability of sitting up is different，Individual judgment is a certain proportion of the height of the bench when the bench that cannot be satisfactory。

seemingly small action，But it contains profound scientific significance。Goodale and Milner's visual dual -channel theory proposed by Milner believes，The visual system includes the abdominal system for generating perception and the back system for guiding action (Vision For Action)。Abdominal side pathway refers to the visual signal from the retina to the outer knee，then passed to the primary visual cortex，Pass to the outer or abdominal pillow leaf。The path is considered to be with objects、Facial and scenario recognition related。Back -to -side pathway refers to the visual signal from the retina to the outer knee，Then go to the primary visual cortex，then passed to the path of the rear lobe。Compared with the abdomen pathway，More visual signals can be passed directly from the subcutaneous path to the back side of the top leaf。According to the theory of Goodr and Milner，Actions must be targeted at the physical attributes of the object，not necessarily a conscious attribute。In a study by Chen et al.，The impact of the exciting spatial distribution on the perception of the size and the opening opening。They presented the real objects alone (uncrowded) or the same real objects are surrounded by other objects (cryDed)。The middle object has different sizes，The size of the object next to it is also random。All experimental stimulus Bet365 lotto review is presented in the surrounding field，and the trial always stare at the gaze point in front of it，Always wear glasses。results show，Even if the middle object is surrounded, the subject is unable to perceive the size of the middle object，Test can still adjust the opening size of the hand when grasping the object according to the size of the middle object。further，They inspected the effects of visual depth clues and the influence of the depth of the body on the constantness of the size of the size。results show，Not only perception is constant and constant，Capturing action also has constant size。The constant nature of the grabs refers to the appropriate distance that the object can be comforted by the hand，Regardless of the distance from the object，That is, the size of the picture projected on the retina on the retina，The subject will use the same fingers to grab the object。

Action is an important function of the human brain，Is an important purpose of perception。So，To produce a movement intention and perform real -time control to the action of the action according to the physical properties of the target object。So，Reasonable implementation of small actions will bring great changes to our daily life。Drink plenty of water，Start with changing a cup!

　　(This article is the special fund project of the central university's basic scientific research business fee (2019TS135) phased achievement)

(Author Unit: School of Psychology, Shaanxi Normal University)