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KembaraXtra-Psychology – Bivariate Correlation
A bivariate correlation measures the strength and direction of the relationship between two variables. The correlation coefficient ranges from −1 to +1, indicating perfect negative or positive association respectively, with zero representing no linear relationship. Correlation does not imply causation but provides insight into patterns of association.
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KembaraXtra-Psychology – Blind Spot
The blind spot is the region on the retina where the optic nerve exits the eye, creating an area devoid of photoreceptors and therefore insensitive to light. Although this gap exists in each eye, individuals are typically unaware of it because the brain fills in missing visual information based on surrounding context. The blind spot demonstrates how perception is constructed rather than passively recorded.
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KembaraXtra-Psychology – Brightness Constancy
Brightness constancy is the perceptual tendency to perceive an object’s brightness as relatively stable despite changes in illumination. The visual system compensates for variations in lighting conditions by comparing objects with surrounding surfaces. This constancy demonstrates perceptual stability in changing environments.
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KembaraXtra-Psychology – Brainstem
The brainstem is the lower portion of the brain connecting the cerebrum with the spinal cord and consists of the midbrain, pons, and medulla. It regulates vital functions including respiration, heart rate, and arousal. Damage to the brainstem can be life-threatening due to its control over basic survival processes.
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KembaraXtra-Psychology – Brain Lateralization
Brain lateralization refers to the specialization of certain cognitive functions within one hemisphere of the brain. For example, language processing is typically dominant in the left hemisphere, while spatial processing often relies more heavily on the right. Lateralization enhances efficiency by reducing redundancy in neural processing.
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KembaraXtra-Psychology – Bounded Rationality
Bounded rationality is the concept that decision-making is limited by cognitive constraints such as incomplete information, limited time, and restricted computational capacity. Rather than optimizing decisions, individuals often satisfice—selecting an option that is good enough. This concept challenges classical models of perfect rationality.
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KembaraXtra-Psychology – Bottom-Up Processing
Bottom-up processing refers to perception driven primarily by sensory input rather than prior knowledge or expectations. Information flows from lower-level sensory receptors upward to higher-level cognitive processing centers. This process allows novel stimuli to be interpreted based on raw data before contextual interpretation occurs.
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KembaraXtra-Psychology – Borderline Personality Disorder
Borderline personality disorder is characterized by instability in mood, self-image, and interpersonal relationships. Individuals often experience intense emotions, fear of abandonment, impulsivity, and recurrent self-destructive behaviors. The disorder is associated with emotional dysregulation and difficulties in maintaining stable identity and relationships.
Borderline personality disorder is characterized by instability in mood, self-image, and interpersonal relationships. Individuals often experience intense emotions, fear of abandonment, impulsivity, and recurrent self-destructive behaviors. The disorder is associated with emotional dysregulation and difficulties in maintaining stable identity and relationships.
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KembaraXtra-Psychology – Body Schema
Body schema is the dynamic internal representation of the position and movement of one’s body parts in space. It integrates proprioceptive, tactile, and visual information to guide coordinated action. Disturbances in body schema may occur following neurological injury and can lead to impaired motor control or altered self-perception.
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KembaraXtra-Psychology – Breadth of Attention
Breadth of attention refers to the amount of information an individual can process or monitor simultaneously. It is influenced by task complexity, expertise, and cognitive load. Limited attentional capacity means individuals must selectively allocate resources to relevant stimuli.
