NLE Psychiatric Disorders — Cognitive, Organic, and Neurodevelopmental DisordersConcept Map

Concept

Delirium

Sub Concepts

• Sudden onset (hours-days)
• Fluctuating course with altered consciousness
• Impaired attention (hallmark)
• Reversible with treatment
• Medical emergency assessment and intervention
• Common causes: infection, electrolytes, hypoxia, medications, withdrawal
• Safety management and environmental modifications
• Minimization of sedatives, use of low-dose antipsychotics only

Relationship To Central

Acute reversible cognitive disorder requiring immediate medical intervention

Concept

Dementia

Sub Concepts

• Gradual onset (months-years)
• Stable progressive course
• Normal consciousness until late stage
• Recent memory impaired first
• Generally irreversible
• Chronic disease management
• Caregiver support essential
• Community-based care emphasis

Relationship To Central

Chronic progressive irreversible cognitive decline requiring supportive care

Concept

Alzheimer's-Type Dementia

Sub Concepts

• Beta-amyloid plaques and neurofibrillary tangles pathology
• The 4 A's: Aphasia, Apraxia, Agnosia, Amnesia
• Confabulation and perseveration
• Sundowning phenomenon
• Cholinesterase inhibitors (donepezil, rivastigmine, galantamine)
• Memantine (NMDA-receptor antagonist)
• Safety priority: wandering, fall, burn prevention
• Consistent routine and structured environment
• Simple communication and validation therapy
• Activities of daily living support

Relationship To Central

Most common dementia type with specific nursing care priorities

Concept

Attention-Deficit/Hyperactivity Disorder (ADHD)

Sub Concepts

• Persistent pattern across multiple settings
• Inattention: easily distracted, careless mistakes
• Hyperactivity: fidgeting, inability to stay seated
• Impulsivity: interrupting, difficulty waiting turns
• Stimulant medications (methylphenidate, amphetamine-based)
• Non-stimulant option: atomoxetine
• Morning dosing to prevent insomnia
• Appetite suppression and growth monitoring
• Structured environment with clear rules
• Behavioral reinforcement strategies

Relationship To Central

Neurodevelopmental disorder of childhood with persistent inattention and/or hyperactivity

Concept

Autism Spectrum Disorder (ASD)

Sub Concepts

• Core deficit 1: Social communication and interaction impairment
• Poor eye contact and social-emotional reciprocity
• Difficulty developing relationships
• Core deficit 2: Restricted repetitive patterns
• Stereotyped movements (rocking, hand-flapping)
• Insistence on sameness and routine
• Intense fixated interests
• Unusual sensory sensitivities
• Wide spectrum of severity
• Early behavioral intervention importance
• Consistency and routine maintenance
• Sensory environment modification

Relationship To Central

Neurodevelopmental disorder with social-communication deficits and restricted repetitive behaviors

Concept

Intellectual Disability

Sub Concepts

• Intellectual functioning deficits: reasoning, problem-solving, learning
• Adaptive functioning deficits: communication, self-care, social skills
• Onset in developmental period
• Severity ranges: mild to profound
• Genetic causes: Down syndrome, fragile X
• Prenatal causes: fetal alcohol syndrome, infections
• Birth-related causes: hypoxia, injury
• Support needs-based classification
• Simple concrete step-by-step instruction
• Promotion of maximum independence
• Safety and exploitation prevention
• Prevention through prenatal care and screening

Relationship To Central

Neurodevelopmental disorder with deficits in intellectual and adaptive functioning

Concept

Delirium vs. Dementia Differential

Sub Concepts

• Onset: sudden vs. gradual
• Course: fluctuating vs. stable
• Consciousness: altered vs. clear
• Attention: grossly impaired vs. relatively preserved early
• Reversibility: usually reversible vs. irreversible
• Nature: medical emergency vs. chronic disease
• Superimposed delirium in dementia patients
• Assessment tools: MMSE, clock-drawing
• Bedside clinical observation as key
• Baseline and trend establishment

Relationship To Central

Critical clinical distinction for acute versus chronic cognitive disorders

Concept

Nursing Pharmacology

Sub Concepts

• Cholinesterase inhibitors: mechanism and effects
• Monitoring for bradycardia and GI upset
• Memantine: NMDA-receptor antagonist mechanism
• Stimulant medications: methylphenidate, amphetamines
• Non-stimulant alternatives: atomoxetine
• Timing of administration for optimal effect
• Antipsychotics in delirium: low-dose, limited use
• Side effect monitoring and management
• Medication-induced complications in elderly
• Abuse and diversion potential assessment

Relationship To Central

Medication management for cognitive and neurodevelopmental disorders

Concept

Nursing Assessment and Safety

Sub Concepts

• Baseline mental status establishment
• Trend assessment across shifts
• Change detection as clinical indicator
• Wandering prevention and management
• Fall risk assessment and prevention
• Burn and injury prevention
• Environmental safety modifications
• Identification and alarm systems
• Vital signs and oxygenation monitoring
• Behavior and agitation monitoring

Relationship To Central

Fundamental nursing interventions across all cognitive and neurodevelopmental disorders

Concept

Environmental and Communication Modifications

Sub Concepts

• Consistent structured routine establishment
• Familiar and uncluttered environment
• Appropriate lighting to reduce sundowning
• Clear simple sentences with one instruction
• Face-to-face communication
• Adequate response time provision
• Calm reassurance and validation
• Visual supports for communication
• Sensory stimulation management
• Transition preparation and warning

Relationship To Central

Therapeutic nursing strategies for cognitive and neurodevelopmental support

Concept

Family and Caregiver Support

Sub Concepts

• Caregiver strain recognition
• Education about condition and progression
• Realistic expectation setting
• Respite care provision
• Community resource identification
• Support group information
• Behavioral management strategies
• Medication education and timing
• Safety environment setup
• Long-term planning assistance

Relationship To Central

Essential component of comprehensive care in long-term cognitive disorders

To

Medical Emergency

From

Delirium

Strength

strong

Relationship

Delirium requires immediate identification and treatment of underlying medical cause

To

Infection Metabolic Causes

From

Delirium

Strength

strong

Relationship

Common reversible causes include UTIs, pneumonia, electrolyte imbalances, hypoxia, and medication effects

To

Chronic Progressive Decline

From

Dementia

Strength

strong

Relationship

Dementia manifests as a slowly progressive, generally irreversible cognitive deterioration over months to years

To

Cholinesterase Inhibitors

From

Alzheimer's Dementia

Strength

strong

Relationship

Drugs like donepezil and rivastigmine slow cognitive decline in mild-to-moderate Alzheimer's by increasing acetylcholine

To

Safety Priority Wandering Falls

From

Alzheimer's Dementia

Strength

strong

Relationship

Wandering and fall risk are the leading practical safety concerns requiring environmental modifications and constant supervision

To

Stimulant Medications

From

ADHD

Strength

strong

Relationship

First-line treatment using methylphenidate or amphetamine-based medications that paradoxically improve focus

To

Morning Dosing Only

From

ADHD

Strength

strong

Relationship

Stimulants must be given in early morning to prevent sleep disruption and insomnia

To

Social Communication Deficit

From

Autism Spectrum Disorder

Strength

strong

Relationship

Core feature involving poor eye contact, difficulty with reciprocal interaction, and impaired verbal and nonverbal communication

To

Insistence on Sameness

From

Autism Spectrum Disorder

Strength

strong

Relationship

Restricted repetitive behaviors with rigid adherence to routines and intense resistance to transitions

To

Dual Deficits

From

Intellectual Disability

Strength

strong

Relationship

Requires concurrent deficits in both intellectual functioning and adaptive functioning across multiple domains

To

Prevention Through Screening

From

Intellectual Disability

Strength

moderate

Relationship

Prenatal care, genetic counseling, and newborn screening can prevent or identify intellectual disability early

To

Sudden Onset Fluctuating

From

Delirium vs Dementia Differential

Strength

strong

Relationship

Sudden onset with fluctuating course is the hallmark distinguishing delirium from gradual dementia onset

To

Baseline Establishment Change Detection

From

Nursing Assessment

Strength

strong

Relationship

Establishing baseline mental status and recognizing acute changes is critical for identifying delirium early

To

Consistent Routine Safety

From

Environmental Modifications

Strength

strong

Relationship

All cognitive and neurodevelopmental disorders benefit from structured environments with consistent routines and safety measures

To

Simple Clear Language

From

Communication Strategy

Strength

strong

Relationship

Clear, simple, concrete communication with one instruction at a time is essential across all cognitive disorders

To

Recognizing Strain

From

Caregiver Support

Strength

strong

Relationship

Long-term care of cognitive and neurodevelopmental disorders places significant burden on family caregivers requiring support and resources

To

Validation Therapy

From

Alzheimer's Dementia

Strength

moderate

Relationship

As dementia progresses, validation therapy acknowledging feelings becomes more therapeutic than repeated reorientation

To

Appetite Suppression Monitoring

From

ADHD

Strength

strong

Relationship

Stimulant medications suppress appetite; nursing must monitor growth and weight, administer after meals

To

Early Behavioral Intervention

From

Autism Spectrum Disorder

Strength

strong

Relationship

Early structured education, speech and occupational therapy significantly improve outcomes across the autism spectrum

To

Safe Environment Reorientation

From

Delirium

Strength

strong

Relationship

Delirium nursing management prioritizes safety, consistent reorientation, and minimization of sedating medications

To

Exclude Reversible Causes

From

Dementia

Strength

moderate

Relationship

B12 deficiency, hypothyroidism, and other metabolic conditions can cause reversible dementia-like symptoms

To

Simple Concrete Step-by-Step

From

Intellectual Disability

Strength

strong

Relationship

Teaching requires breaking tasks into small concrete steps with frequent repetition using simple language

To

Sundowning Management

From

Alzheimer's Dementia

Strength

moderate

Relationship

Increased daytime light, reduced evening stimulation, and calm structured evening routines reduce sundowning agitation

To

Structured Environment Clear Rules

From

ADHD

Strength

strong

Relationship

Children with ADHD thrive in highly structured environments with clear, consistent rules and routines

To

Superimposed on Dementia

From

Delirium

Strength

strong

Relationship

Patients with dementia can develop acute delirium; any sudden worsening should be investigated as possible delirium