Q: What is the difference between temporal summation and spatial summation?
A: Neurons is also known as nerve cell and it is considered as the fundamental units of the brain and…
Q: What are Refractory Periods?
A: BASIC INFORMATION NEURON It is the longest cell inside the human body It is found in the brain…
Q: What is the role of the relative refractory period?
A: Introduction Nerves play vital role in conduction of signals from CNS to various other organs, nerve…
Q: List the types of ganglion cell receptive fields?
A: The Classical Receptive field of a ganglion is defined as the area of the retina ,where stimulation…
Q: What is long-term potentiation?
A: BASIC INFORMATION NERVOUS SYSTEM :- It is of two types namely Central nervous system (CNS) and…
Q: Define the term potentiation?
A: Potentiation in the field of neurological science was discovered by Terje Lømo in 1966 in the rabbit…
Q: What is the importance of Receptor Field Overlap?
A: RECEPTIVE FIELDS: Receptive fields depicts that the region of space, when a stimulant…
Q: What are the purposes of the Absolute and Relative Refractory Periods?
A: Action potentials can be defined as the swift rise and succeeding fall in the membrane potential or…
Q: why do some students like to study in a busy coffee house? How is this related to the reticular…
A: Student may think that the noise of the people can you distract you and leads their study in…
Q: Explain the meaning and relevance of a sensory neuron’s receptive field?
A: The sensory neuron is a nerve cell and detects external signals. These receive information through…
Q: Compare Association Cortex and Perceptual Processing?
A: Brain is the prime information processing center and to some extent, spinal cord also plays a role…
Q: What is the role of afferent fibers?
A: Fibers are responsible for carrying nerve impulses to and from the central nervous system. They are…
Q: Where does saltatory conduction occur? Select one: a. From node to node in unmyelinated fibers b.…
A: saltatory conduction in normal term means propagation/movement of action potential from one node of…
Q: Describe Retinal Processing of Signals?
A: Retinal is known as the polyene chromophore which basically bound with the proteins known as opsins,…
Q: Define and give examples of receptive fields.
A: Receptive field The receptive field of a sensory neuron is a region of space in which the presence…
Q: Compare and contrast ionotropic and signaling. Which senses use which type?
A: The ionotropic receptors are ligand-gated ion channel openings. The metabotropic receptors, on the…
Q: How Interoceptors receive stimuli ?
A: The afferent neurons, also called sensory neurons, convert sensory stimuli into graded or action…
Q: What is the significance of some ganglionic axons crossing to the opposite side of the brain?
A: The brain is the main part of the body that controls every action in our body. It is located in the…
Q: What is absolute refractory period?
A:
Q: What is the difference of depolarization and hyperpolarization? Why do cold receptors depolarize…
A: both are the phases in the generation and conduction of an action potential.
Q: What is relative refractory period?
A: Refractory period – duration of time during which the cell is unable to respond to a stimulus. It…
Q: Since all APs generated by a given nerve fiber have the same magnitude, how does the CNS “know”…
A: The generation of an action potential is an " all or none phenomenon". An action potential will only…
Q: Define the term proprioception?
A: The sense organs and brain governs the body to form different activities and helps in the formation…
Q: When do EPSPs and IPSPs occur?
A: EPSP :- Cause Membrane Potential to move closer to threshold. Caused by an opening of Cation…
Q: What is the functional advantage of myelination?
A: The neuron or nerve cell is the fundamental unit of the nervous system. This is divided into three…
Q: Define the term Receptor Potential?
A: The cell is the basic structural and functional unit of our body. It carries out many functions in…
Q: What is a major advantage of saltatory conduction?
A: conduction of impulse occur via the neurons from the cell body to axon and then to dendrites or…
Q: Explain the physiological basis of the absolute and relative refractory periods?
A: The absolute refractory period can be defined as the period during which another action potential…
Q: How do we distinguish a strong stimulus from a weak one when the information about both stimuli is…
A: A complex network of nerves and cells which carry messages to and from the brain and spinal cord to…
Q: Where do most second-order somatosensory neuronssynapse with third-order neurons?
A: Neurons synapse with each other for the conduction of signal or impulse.
Q: Types of ganglion cell receptive fields?
A: At the back of the eye, the retina is a thin film of tissue placed near the optic nerve. The retina…
Q: How do oligodendrocytes myelinate axons and how does this differ from myelination by Schwann cells
A: Myelination Myelin is a lipid-rich protective insulating layer present around the nerve cell axons.…
Q: Explain how transductin works regarding the sensation of touch
A: Transduction in the nervous system typically refers to stimulus-alerting events wherein a physical…
Q: How does conduction along a myelinated fiber differ from conduction along an un-myelinated fiber?
A: Myelin is a substance which is rich in lipids and surrounds the nerve cell axons in order to…
Q: What are the five reflex arc components for the Consensual Light Reflex?
A: Reflex arc is a nerve pathway involved in the reflex action. In reflex arc signals travel over…
Q: What is synesthesia and what is the current hypothesis for its symptoms?
A: A perceptual condition known as synaesthesia occurs when one sensory or cognitive channel is…
Q: What is thalamus or receptacle?
A: Flower is a specialized condensed shoot of angiosperms. It is formed by transformation of shoot…
Q: What is the difference in appearance and function between dendrites and axons??
A: Neurons are specialized cells that transmit and receive electrical signals in the body. Each neuron…
Q: What is the function of the thalamus?
A: Epithalamus, thalamus and hypothalamus are the main parts of Diencephalon. Epithalamus is thin and…
Q: Two major material baroreceptors are located where?
A: Baroeceptors are a type of mechanoreceptors which are aimed at maintaining blood pressure and hence…
Q: What is Afferent neurons?
A: Neurons are the cells that are the basic units that constitute the brain and the nervous system.…
Q: Activation of which pathway leads to a disinhibition of the thalamus and increased cortical…
A: 1 ) Answer is option C. Activation of GPe pathway leads to a disinhibition of thalamus and increased…
Q: Do refractory periods help keep APs separate?
A: Refractory periods and action potential go simultaneously for most of the time. There are two…
Q: Define Refractory period and differentiate between Absolute refractory and relative refractory…
A: The action potential is a difference in concentration of Sodium (Na+) ions and Potassium (K+) ions…
Q: What is proprioception?
A: Proprioception is a continuous feedback loop between sensory receptors present throughout the body…
Q: Explain dual innervation and its benefits in three sentences?
A: The autonomic nervous system (ANS) can be broadly classified (structurally and functionally) into…
Q: epsp’s and ipsp’s, where are they occurring
A: A transient depolarization of the postsynaptic membrane generated by the passage of positively…
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