Wen 丨 holds the tip of the pen in his hand
Editor丨Hold the tip of the pen in your hand
preface
The importance of the study of octopus intelligence and complex behavior
The study of the intelligence and complex behavior of octopuses is an area of great concern. Octopuses have a vertebrate-like nervous system and a variety of advanced thinking abilities, such as learning, memory, reasoning, problem-solving, and creative thinking.
This makes them an ideal object of study to understand complex cognitive processes and intrinsic life mechanisms.
In addition, octopuses exhibit a variety of behaviors, including exploring the environment, having a natural "play" with things, and foraging for food, and the way they perform will be amazing.
Therefore, studying the intelligence and behavior of octopuses not only helps us to gain insight into the neural and biological basis of individual octopus behavior, but also helps people better understand their adaptability to the environment, how to hunt more effectively or escape danger in different environments, etc.
Finally, due to the similarity of the neural structure and organization of octopuses compared to vertebrates, studying octopuses can also help to reveal deeper layers of intellectual and behavioral evolution of vertebrates, thereby providing useful references and inspiration for cognitive neuroscience and artificial intelligence.
The intellectual and cognitive abilities of octopuses
Introduction to the intellectual performance of octopuses and related experiments
Octopus is a highly intelligent invertebrate with excellent memory, learning ability and reasoning ability, the following is an introduction to octopus intelligence performance and related experiments:
Memory Behavior Experiment: Octopuses were presented with signals such as different colors, shapes, or lines and taught how to touch them sequentially. Later, after some time, the octopus was presented to the same environment again, and it was found that the octopus was able to accurately recall the sequence of these signals and demonstrate its effective memory ability.
Pattern Recognition Behavior Experiment: In the pattern recognition behavior experiment, octopuses are introduced to one and another starfish of different colors, sizes, and shapes. After a few minutes of observation and reflection, the octopus very effectively used its visual system to identify the two different starfish, and quickly adapted and successfully distinguished between different stimuli.
Sequential behavior experiments: In a sequence behavior experiment, octopuses press different buttons in a specific order to obtain food. During the experiment, the octopus was able to learn these ordered behaviors quickly and accurately, and showed a high degree of accuracy and speed in future corresponding experiments.
Reaction time and decision-making experiments: In these experiments, octopuses are trained to adapt to a specific perceptual environment in order to act quickly on instructions and make effective judgments in scenarios with multiple options. This experiment shows how octopuses change the way they think and respond in real life based on their environment, and can directly reflect their flexible and efficient cognitive and decision-making abilities.
In short, the intellectual and cognitive characteristics of octopuses are diverse, and after continuous research and experimentation, people can understand the magic of these creatures more deeply.
Comparison with other different taxa
Although the octopus occupies an ecosystem with other animals of different groups, it has unique behavioral and intellectual characteristics. For example, octopuses can use tools to obtain food, create caches, and self-regulate behaviors that are not as simple as structural and functional differences between species.
Compared to other invertebrates, such as plankton and polychaetes, octopuses have more complex and diverse behavioral characteristics and cognitive abilities. In addition to highly developed visual and perceptual abilities, octopuses also possess a high degree of flexibility to learn and adapt, allowing them to quickly adapt to new environments and problems, and to engage in synchronic actions and exchanges of cultural life with humans.
In addition, octopuses also show a need for social interaction and teamwork, and in their daily behavior, they also present a variety of different types of operation based on individual and environmental specificity.
The octopus is highly flexible and complex logical thinking
Use environmental factors for food: Octopuses are able to find suitable structures according to different environments and use them to hunt. For example, they will use items such as coral, shells, and rocks to hide themselves and thus use surprise attacks to obtain prey.
Solving challenging problems: Octopuses are able to proactively choose different approaches to solve difficult problems they encounter. For example, in an experiment, the octopus had to come up with a way to open the container to remove the fish. When the initial attempt fails, the octopus changes its strategy and successfully opens the container. This suggests that octopuses are able to quickly learn and adapt to new tasks and adopt different strategies to reach their goals.
Demonstrate creative thinking: Octopuses are able to demonstrate creative thinking and behavior. For example, octopuses were placed in a group of rocks of the same or similar color to test whether they could mask visual signals to remain hidden. The results showed that octopuses found a strategy to maintain concealment by covering themselves with flowing branches similar to the gentle flow of water.
Behavioral manifestations
Obstacles, dodging, searching, etc
Obstacle crossing: Octopuses are able to make decisions and adopt corresponding movement strategies to traverse complex and changeable environments and obstacles. Studies have shown that some octopuses can even pass through wide water pipes and narrow holes through posture control and bone balance.
Avoiding danger: Octopuses are able to sense danger and react appropriately to dodge or escape. Experimental results show that when sensing a threat, octopuses usually choose to escape, or even adopt a cover color similar to their surroundings to hide from potential risks.
Item recognition of search behavior: Octopuses have advanced search and recognition capabilities based on the shape, size, color and other characteristics of the item. Some octopuses in the experiment try to find some items and only stop searching when they are all found, and finally succeed in finding all the target items. This shows that octopuses have a high degree of target localization and recognition ability in search behavior.
How organs such as suction cups are used and techniques such as concealed passages are used
Octopus suckers are one of their most important organs, capable of catching prey and climbing almost all types of seafloor surfaces. The suction cup has a small strong negative pressure inside and can be tightly attached to the surface, thus providing a firm support. When it is time to loosen, the octopus can loosen by adjusting the strength and position of its suction cups.
Octopuses often use hidden passages when feeding or fleeing from predators. They can avoid risks by shrinking their size, camouflage colors, and hiding in caves or crevices. In addition, after spotting suspicious areas, octopuses can emit ink or release chemicals to interfere with visual observation and quickly move to safer areas.
Octopuses have shown excellent exploration and adaptability in solving puzzles such as mazes. In the experiment, the octopus was placed in a complex and changeable environment, and needed to discover, understand and cross the maze through memory and perception. Studies have shown that due to its head movement flexibility, the precision of organ use such as antennae, and memory durability, octopuses perform extremely well, even better than some primates.
Communication and social ecology research
Receptor mechanisms and special behaviors for sending information
Octopuses receive signals from the marine environment through their many neurons and various sensory receptors, including light, sound, temperature, chemicals, and mechanical information. Among them, light stimuli can be perceived by the retina, and chemoreceptors on the surface of the suction cup can provide taste and smell information for octopuses.
Octopuses have many special behaviors for sending information, such as sending different color and morphological signals to convey their emotions and intentions. Octopuses can also communicate information through posture, movement, and skin color changes. In addition to this, when provoking danger or finding food, octopuses can also change the surrounding chemical environment by spraying corresponding chemicals, such as black ink, thus interfering with the predator's perception and food-seeking competitors.
The way octopuses interact with each other
Touch: Octopuses can use tentacles to touch other octopuses and objects in the environment. Touch can convey information about the size, shape, texture, and hardness of objects, and enable better communication between octopuses.
First acquaintance: When octopuses first meet each other, they may extend one or more tentacles towards each other to detect the situation to establish spatial relationships and identities. They can also eject ink or change skin color to express pleasure or dissatisfaction, playing a role when examining new environments or interacting with new things.
Tool Passing: While octopuses do not have hands and tools like humans, they can also use a variety of objects to assist in predation and problem solving. In some experiments, octopuses were taught how to use a strike handle to open food containers, and quickly learned and shared this knowledge for other octopuses to emulate and achieve similar results. These experimental results show that octopuses play an important role in social interaction and learning.
Determine octopus population structure, gender and status based on behavior
Octopuses sometimes compete with each other for the same food or survival resource. In this case, they may show their stronger competitiveness and deterrence through body size, color, movement, etc., so as to gain a status advantage.
The sex of octopuses is often difficult to distinguish and can be clearly distinguished during mating and hatching. In mating, it is usually the male octopus that seeks a mate and exhibits various courtship behaviors, such as tapping tentacles to females, shaking limbs and heads, etc.; Female octopuses, on the other hand, accept their courtship according to different needs, and the interaction setting of the agreed form rarely touches the direction in which the octopus eventually evolves.
Octopuses are able to identify and communicate with other individuals of the same print quality, and will also have different degrees of behavioral interaction with other mates and competitors of the same kind, such as escape, disgust or more cooperative direction.
Future research directions
Octopuses usually live in extreme environments such as the deep sea, making it difficult for humans to directly observe or obtain most samples. Although the octopus's social structure is relatively simple, its superior intelligence and flexibility make scientists feel its hidden complexity.
Therefore, more experimental evidence is still needed to support its hypotheses and theories. Due to the limited number of individual octopuses, most experiments can only be conducted on a small number of octopuses, and it is difficult to determine whether the conclusions obtained should be universally applied to all octopuses of the same species.
One of the problems that future octopus research needs to solve is to find ways to more effectively observe octopus biological behavior, take images or videos, and link its relationship with other non-intelligent behaviors of something morphological, helping us better understand and recognize the way marine organisms operate and design the conditions to create.
On this basis, we need to be more innovative and diversified in communication relationships, and we need to integrate fun to emphasize two-way exploration in each stage to establish a unified algorithm and theoretical system for the octopus's complex behavior model.
conclusion
We can see that the intelligence and complex behavior of octopuses have become research hotspots in many fields such as biology, psychology and neuroscience.
In recent years, with the continuous advancement of technology, researchers have gradually solved some basic structures in octopus brain through electroencephalogram, fMRI and other means, and preliminarily explored the complex situational judgment of neurons and different types of memory capture and sharing methods, effective cost and personality form strategies, social networks and internal game mechanisms, showing a variety of advanced cognitive abilities and behavioral performance.
The study of marine animals represented by octopuses not only has important scientific value, but also brings unprecedented driving force to explore the deep thinking space of people's understanding of the universe in the future.
bibliography
1. "Brain Anatomy and Neuronal Type of Dwarf Octopus" (author: Qi Guangjun et al., Journal of Fisheries Vol. 28, 2004)
2. Basic Research on Octopus Wisdom (author: Li Xue et al., ShanghaiTech University, 2019)
3. "Research on the Predatory Behavior Mechanism of Rodents on Octopus" (author: Shen Qingyuan et al., Journal of Laboratory Animals, Vol. 22, 2014)
4. "Selective Host Cognition and Behavior of Black-spotted Octopus" (author: Lin Songliang et al., Ocean and Limnology, Vol. 50, 2019)
5. "Screening and Function Study of Specific Expression Genes in Octopus Retinal Cells" (author: Zhou Weiyong et al., Southern Medical University, 2019)
6. "Exploration of Octopus Behavioral Consciousness" (by Han Bing et al., Advances in Modern Biomedicine, Vol. 14, 2014)