Child Development Test - 5

Concepts are mental representations or categories used in thinking to organize and process information. Mnemonic devices are memory strategies, not foundational representations. Kinesthesis refers to body position sense, while 'figments of imagination' dismisses the structured nature of cognitive processes.

Phonemes are the smallest distinct units of sound in speech that can distinguish meaning between words. Morphemes are the smallest meaningful units of language (could be whole words or parts like prefixes). Syllables are units of pronunciation, while syntax refers to sentence structure rules.

'Uncle' is a relational concept because it defines a relationship between people (sibling of one's parent). Conjunctive concepts require ALL features to be present, disjunctive concepts require AT LEAST ONE feature, and 'relative' is not a standard concept type in this classification system.

Daydreaming is a form of cognition - it involves mental processing even when not focused on external tasks. Option C is contradictory (claims 'No' but then admits daydreaming is cognition). Daydreaming, visualizing, and mind-wandering all qualify as cognitive activities.

Echoic memory is the brief sensory register for auditory information - sounds you heard are held momentarily. Iconic memory is for visual information. 'Image' is too vague, and 'engram' refers to the physical memory trace in the brain, not the sensory register.

After prolonged exercise and sweating, you lose electrolytes (including sodium). A slightly salty liquid helps replenish these losses and restore fluid balance better than plain water. This preference reflects the body's biological need for electrolyte replacement after intense physical activity.

Elaborative rehearsal involves connecting new information to existing knowledge and creating meaningful associations, which enhances long-term retention. Maintenance rehearsal is simple repetition. Dual memory and long-term memory describe memory systems or storage, not the active process of meaning-based encoding.

At very high arousal levels, the Yerkes-Dodson law predicts performance declines due to emotional interference, disorganization, and frenzied behavior. While biological needs might dominate in extreme situations, option A best captures the psychological state of hyperarousal where cognitive control breaks down.

Within a neuron, the action potential (nerve impulse) is an electrical event caused by ion movement. Communication BETWEEN neurons at synapses is primarily chemical (neurotransmitters). Acetylcholine and catecholamine are specific neurotransmitters, not event types. Dendrites and axons are neuron structures.

Divergent thinking generates multiple possible solutions and is strongly associated with creativity. Convergent thinking narrows down to one correct answer. Modeling is learning through observation, and syntax relates to language structure rules.

Weber's law states that the JND (just noticeable difference) is a constant proportion of stimulus intensity. For example, a 10% change in weight is noticeable whether holding 100g or 1000g. James' law (not Weber's), the all-or-none principle (neurons firing), and law of diminishing returns (economics/productivity) are incorrect.

Research shows hunger is regulated by multiple signals (blood glucose, hormones, brain signals), not just stomach nerves. Removing stomach sensory nerves changes eating patterns but doesn't eliminate hunger, demonstrating redundancy in hunger regulation. Option D is exaggerated - patients don't need to be 'trained' to avoid starvation.

Hypnosis is characterized by a heightened state of suggestibility where individuals become more responsive to suggestions and can experience altered perceptions. While hypnosis can feel relaxed, it is not defined by increased arousal (A), enhanced creativity (C), or clairvoyance (D) - these are common misconceptions not supported by research.

Subliminal perception involves presenting stimuli below the threshold of conscious awareness, either too briefly or too weakly to be consciously registered. While advertisers have attempted to use subliminal messaging (making B false), research shows these techniques have minimal, if any, practical effects on behavior or emotions (C and D are overstated).

Dyslexia is a Specific Learning Disability characterized by difficulties with accurate and/or fluent word recognition and poor spelling and decoding abilities. Mental Retardation (now called Intellectual Disability) is not a learning disability but rather a condition affecting general intellectual functioning. ADHD is a neurodevelopmental disorder affecting attention and impulse control, while Autistic spectrum disorders are pervasive developmental disorders affecting social communication and behavior.

Metacognitive skills refer to the ability to think about one's own thinking processes - including planning, monitoring, and evaluating cognitive strategies during problem-solving. This is different from experiential intelligence (applied knowledge), processing speed (how quickly we think), or 'frames of mind' (Gardner's multiple intelligences theory). Metacognition is key to effective learning and problem-solving.

Relative motion (also called motion parallax) is the monocular depth cue where closer objects appear to move faster across our visual field than distant objects when we are moving. This helps us judge depth and distance. Aerial perspective refers to atmospheric haze making distant objects look bluer, linear perspective uses parallel lines converging, and relative size uses known object sizes to judge distance.

Sleep cycles are innate biological rhythms controlled by circadian processes, but they can be modified during emergencies or necessary shift work. Option A is incorrect because cycles can adjust. Option C is wrong because sleep cycles are not entirely learned. Option D is incorrect because while modifiable, the changes are not 'easy' and often come with health and performance costs. The correct answer balances the innate nature of sleep cycles with their capacity for modification.

Autistic spectrum disorders (ASD) are classified as Developmental Disorders in DSM-5, characterized by persistent deficits in social communication and interaction, along with restricted, repetitive patterns of behavior. ADHD (A) is a Neurodevelopmental Disorder but not specifically classified as a Developmental Disorder in the same category. Dyslexia (B) is a Specific Learning Disorder, not a Developmental Disorder. Mental Retardation (C), now called Intellectual Disability, is a Neurodevelopmental Disorder but is distinct from Developmental Disorders classification.

Mental Retardation (now termed Intellectual Disability or Intellectual Developmental Disorder) is characterized by significant limitations in both intellectual functioning and adaptive behavior. Dyslexia is a learning disability affecting reading, not an intellectual disability. ADHD is a neurodevelopmental disorder affecting attention and executive functioning. Autistic spectrum disorders involve social communication deficits and restricted behaviors, but many individuals with ASD have average or above-average intelligence, so it is not classified as an intellectual disability.

Expressive Language Disorder involves difficulties in verbal expression, and ALL these symptoms can occur: limited vocabulary and speech output (A), difficulty learning new words (B), and word-finding problems where the person struggles to retrieve the right word (C). Since the question asks 'may occur' and all three are valid symptoms, 'All of the above' is correct. This disorder affects language production while comprehension remains relatively intact.

Phonological disorder involves difficulty producing specific speech sounds appropriately. Physical causes include hearing impairment (A), cleft palate (B), and cerebral palsy (D) which can all affect speech production. 'Small frontal lobes' (C) is NOT a recognized physical cause of phonological disorder - this option is the correct answer because it's NOT a physical cause. Brain structure abnormalities might contribute to speech and language disorders, but 'small frontal lobes' specifically is not a documented physical etiology for phonological disorders.

Reading Disorder (Dyslexia) is diagnosed when reading achievement (accuracy, speed, comprehension) is significantly below what would be expected based on BOTH chronological age AND measured intelligence (IQ). This discrepancy-based definition ensures that reading difficulties are not simply due to low intelligence or inadequate schooling. Option C (schooling experience) is not part of the diagnostic criteria - the key is the discrepancy between actual reading ability and expected ability given age and cognitive capacity.

Dyscalculia is the specific learning disability affecting mathematical ability, characterized by difficulty understanding numbers, learning how to manipulate numbers, performing mathematical calculations, and fact retrieval. Dyslexia (B) affects reading. Dyspraxia (A) affects motor coordination. Dysphasia (D) affects language production and comprehension. The prefix 'dys-' means difficulty, and '-calculia' refers to calculation.