How applicable is the correlation between high IQ and academic achievement in guessing a child’s IQ?
Is there any correlation between IQ and achievement? A quantity of research (Binder, Jones, & Strowig, 1970; Thorndike & Hagan, 1969) substantiates a correlation of . 50 to . 70 between intelligence scores (IQ) and academic achievement, suggesting that as much as 50% of the variance in academic achievement can be predicted by IQ. What […]
Read MoreHow does human brain pick out the most likely representation of object when an object is ambiguous? ?
How do human brains identify objects? MIT researchers have found that the part of the visual cortex known as the inferotemporal (IT) cortex is required to distinguish between different objects. As visual information flows into the brain through the retina, the visual cortex transforms the sensory input into coherent perceptions. Where does object recognition take […]
Read MoreIs interference control responsible for sensory sensitivities?
What is the most common sensory sensitivity? One common finding in all studies is auditory sensitivity, or sensitivity to sounds. I see this clinically too. Touch sensitivity is also frequently reported. What causes sensory overload in autism? When too much is going on, sensory overload can occur. At a crowded mall or videos with complex […]
Read MoreDoes pain reduce cognitive abilities?
Results. Evidence of decreased cognitive processing was found in patients with chronic pain. The chronic pain participants performed significantly worse than the pain-free participants on the cognitive measures of long-term memory, selective attention, processing speed, and executive functioning. Does chronic pain affect cognitive function? Chronic pain conditions have been associated with impairments in cognitive function, […]
Read MoreHow to set up a binocular rivalry experiment which splits a single image in two separately controlled ones?
How do you make binocular rivalry? Binocular rivalry can be created by alternating lens opacity rapidly, in time with alternating images at the same location on the monitor. Display goggles: In these, each eyepiece is fitted with an independent display screen. How does binocular rivalry work? The phenomenon of binocular rivalry occurs when two distinctly […]
Read MoreHow to work with EDA data in R environment? ?
How do you conduct exploratory data analysis in R? Exploratory Data Analysis in R (introduction) Step 1 – First approach to data. Step 2 – Analyzing categorical variables. Step 3 – Analyzing numerical variables. Step 4 – Analyzing numerical and categorical at the same time. What is EDA in R? Exploratory Data Analysis or EDA […]
Read MoreHow many memory systems do we have?
The three memory systems are characterized by different kinds of consciousness (Tulving, 1985). Procedural memory is associated with anoetic (nonknowing) consciousness, semantic memory with noetic (knowing) consciousness, and episodic mem- ory with autonoetic (self-knowing) consciousness. What are 3 memory systems? To describe the process of storage, many psychologists use the three-stage model proposed by Richard […]
Read MoreCan hallucinogens treat depressive states?
Studies have shown a single dose of psilocybin can offer relief from depression for months at a time, and last year, a clinical trial of 3,4-methylenedioxymethamphetamine, or ecstasy, showed it can alleviate posttraumatic stress disorder. How these hallucinogens exert their effects remains something of a mystery. How do you explain reuptake? Reuptake: The reabsorption of […]
Read MoreVolition v.s. Cognitive Control v.s. Motivational Salience?
What does volitional control mean? Volitional control involves representing, and then exploiting, regularities in the relation between actions and outcomes. The subjective experience is also influenced by both motivational (goals) and instrumental (action selection) processes. What is Person volition factors? It is defined as purposive striving and is one of the primary human psychological functions. […]
Read MoreWhat causes lack of energy? The relative importance of testosterone versus emotional, genetic, and environmental factors?
Are testosterone levels genetic or environmental? For males, genetic differences accounted for 55% of the variation in testosterone, whereas shared environmental influences were not significantly different than zero. Which condition is influenced by age genetics and testosterone? Lower or substantial declines in testosterone levels in aging men have been associated with increased risk for cardiovascular […]
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