Biopsychology explores the biological foundations of psychology, examining the relationship between psychological processes and physiological events.
It …
The nervous system coordinates body functions through its complex network of nerve cells, enabling sensation and movement.
The nervous system has two …
Neurons, the excitable cells of the nervous system, specialize in transmitting information through electrical and chemical signals in the body.
A neuron …
Neurons communicate by sending electrochemical signals that travel along their axons to neighboring neurons.
When the electrical charge within a neuron …
The brain is divided into three main sections: the forebrain, the midbrain, and the hindbrain.
The forebrain is the largest part of the brain and consists …
The human brain cortex is divided into two cerebral hemispheres: the left and the right.
The corpus callosum, a robust bundle of neural fibers, connects …
The cerebral cortex consists of four lobes: the frontal, parietal, temporal, and occipital lobes.
The frontal lobe situated behind the forehead regulates …
The somatosensory cortex, located in the parietal lobe, plays a crucial role in interpreting sensory information, such as touch, temperature, and body …
The spinal cord begins at the base of the brain and extends down the middle of the back, serving as a vital communication link between the brain and the …
Brain lateralization refers to the tendency of some cognitive processes or neural functions to be more dominant in one hemisphere of the brain than the …
Human genetics explores how genes influence physical traits such as height and eye color, behaviors like risk-taking and eating habits, and susceptibility …
Genetic variation stems from differences in DNA sequences among individuals, which are essential for species adaptation and evolution.
Genetic variations …
Behavior genetics explores the role of inheritance in shaping human behavior.
Researchers use family, twin, and adoption studies to assess heritability by …
Neuroplasticity is an inherent characteristic of the nervous system to reorganize itself by creating new neural connections in response to factors or …
Brain imaging refers to various techniques used to visualize the structure and activity of the brain.
CT scans create three-dimensional images, which are …
The endocrine system is composed of glands that secrete hormones, which are chemical messengers crucial for bodily functions.
These hormones circulate …
Gregor Mendel's principles of inheritance demonstrated how traits are transmitted from parents to offspring and are controlled by distinct units known …
Gene expression is influenced by environmental factors such as radiation, temperature, behavior, nutrition, and stress.
The range of reaction suggests …
Heritability measures the genetic influence on traits or physical characteristics such as height or eye color.
Heritability can vary depending on the …
Natural selection drives evolution by supporting organisms that are best adapted to their environments, enhancing their survival and reproduction rates.
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The principle of natural selection suggests that organisms better adapted to their environment are more likely to survive and reproduce.
Evolutionary …
In a study involving the mating behavior of heterosexual women and men, people posing as strangers complimented students and then proposed casual sex. …
The autonomic nervous system (ANS) consists of two branches, the parasympathetic and sympathetic nervous systems, and controls the function of internal …
